diff --git a/.isort.cfg b/.isort.cfg
index 877061e54..a76414a2d 100644
--- a/.isort.cfg
+++ b/.isort.cfg
@@ -2,4 +2,4 @@
 indent='    '
 not_skip = __init__.py
 force_single_line = 1
-known_third_party=capstone,unicorn,six,psutil,pycparser
+known_third_party=capstone,unicorn,six,psutil,pycparser,gdb
diff --git a/pwndbg/__init__.py b/pwndbg/__init__.py
index 646bd7273..0a3361d43 100755
--- a/pwndbg/__init__.py
+++ b/pwndbg/__init__.py
@@ -8,6 +8,7 @@ from __future__ import unicode_literals
 import sys
 
 import gdb
+
 import pwndbg.android
 import pwndbg.arch
 import pwndbg.arguments
diff --git a/pwndbg/android.py b/pwndbg/android.py
index 4abc04436..f8299732f 100644
--- a/pwndbg/android.py
+++ b/pwndbg/android.py
@@ -6,6 +6,7 @@ from __future__ import print_function
 from __future__ import unicode_literals
 
 import gdb
+
 import pwndbg.color
 import pwndbg.events
 import pwndbg.file
diff --git a/pwndbg/arch.py b/pwndbg/arch.py
index 3bd45fa09..6406c3d55 100644
--- a/pwndbg/arch.py
+++ b/pwndbg/arch.py
@@ -9,9 +9,9 @@ import collections
 import struct
 import sys
 
+import gdb
 from capstone import *
 
-import gdb
 import pwndbg.events
 import pwndbg.memoize
 import pwndbg.regs
diff --git a/pwndbg/arguments.py b/pwndbg/arguments.py
index 1df8dca43..75bf672b3 100644
--- a/pwndbg/arguments.py
+++ b/pwndbg/arguments.py
@@ -9,10 +9,10 @@ from __future__ import division
 from __future__ import print_function
 from __future__ import unicode_literals
 
+import gdb
 from capstone import CS_GRP_CALL
 from capstone import CS_GRP_INT
 
-import gdb
 import pwndbg.abi
 import pwndbg.arch
 import pwndbg.constants
diff --git a/pwndbg/argv.py b/pwndbg/argv.py
index 9de3d6b31..f3595caf8 100644
--- a/pwndbg/argv.py
+++ b/pwndbg/argv.py
@@ -6,6 +6,7 @@ from __future__ import print_function
 from __future__ import unicode_literals
 
 import gdb
+
 import pwndbg.arch
 import pwndbg.events
 import pwndbg.memory
diff --git a/pwndbg/auxv.py b/pwndbg/auxv.py
index 5c0cb3c03..0a340575d 100644
--- a/pwndbg/auxv.py
+++ b/pwndbg/auxv.py
@@ -10,6 +10,7 @@ import re
 import sys
 
 import gdb
+
 import pwndbg.arch
 import pwndbg.events
 import pwndbg.info
diff --git a/pwndbg/chain.py b/pwndbg/chain.py
index ae06e7caf..4243383d3 100755
--- a/pwndbg/chain.py
+++ b/pwndbg/chain.py
@@ -6,6 +6,7 @@ from __future__ import print_function
 from __future__ import unicode_literals
 
 import gdb
+
 import pwndbg.color.chain as C
 import pwndbg.color.memory as M
 import pwndbg.color.theme as theme
@@ -39,8 +40,8 @@ def get(address, limit=LIMIT, offset=0):
     return result
 
 
-config_arrow_left  = theme.Parameter('chain-arrow-left', u'◂—', 'left arrow of chain formatting')
-config_arrow_right = theme.Parameter('chain-arrow-right', u'—▸', 'right arrow of chain formatting')
+config_arrow_left  = theme.Parameter('chain-arrow-left', '◂—', 'left arrow of chain formatting')
+config_arrow_right = theme.Parameter('chain-arrow-right', '—▸', 'right arrow of chain formatting')
 config_contiguous  = theme.Parameter('chain-contiguous-marker', '...', 'contiguous marker of chain formatting')
 
 def format(value, limit=LIMIT, code=True, offset=0):
diff --git a/pwndbg/commands/__init__.py b/pwndbg/commands/__init__.py
index 1e31879bb..3563e8f05 100644
--- a/pwndbg/commands/__init__.py
+++ b/pwndbg/commands/__init__.py
@@ -11,6 +11,7 @@ import sys
 import traceback
 
 import gdb
+
 import pwndbg.chain
 import pwndbg.color
 import pwndbg.enhance
diff --git a/pwndbg/commands/argv.py b/pwndbg/commands/argv.py
index eb68a05b5..2875269dd 100644
--- a/pwndbg/commands/argv.py
+++ b/pwndbg/commands/argv.py
@@ -6,6 +6,7 @@ from __future__ import print_function
 from __future__ import unicode_literals
 
 import gdb
+
 import pwndbg.arch
 import pwndbg.argv
 import pwndbg.commands
diff --git a/pwndbg/commands/aslr.py b/pwndbg/commands/aslr.py
index 07420758e..60d9a1c7c 100644
--- a/pwndbg/commands/aslr.py
+++ b/pwndbg/commands/aslr.py
@@ -8,6 +8,7 @@ from __future__ import unicode_literals
 import argparse
 
 import gdb
+
 import pwndbg.color
 import pwndbg.commands
 import pwndbg.proc
diff --git a/pwndbg/commands/auxv.py b/pwndbg/commands/auxv.py
index 70c85f009..21b956ac0 100644
--- a/pwndbg/commands/auxv.py
+++ b/pwndbg/commands/auxv.py
@@ -5,9 +5,9 @@ from __future__ import division
 from __future__ import print_function
 from __future__ import unicode_literals
 
+import gdb
 import six
 
-import gdb
 import pwndbg.auxv
 import pwndbg.chain
 import pwndbg.commands
diff --git a/pwndbg/commands/checksec.py b/pwndbg/commands/checksec.py
index 2707104cd..52f8bd12e 100755
--- a/pwndbg/commands/checksec.py
+++ b/pwndbg/commands/checksec.py
@@ -9,6 +9,7 @@ import os
 import subprocess
 
 import gdb
+
 import pwndbg.commands
 import pwndbg.which
 
diff --git a/pwndbg/commands/context.py b/pwndbg/commands/context.py
index 6463c1af5..c58ce5e32 100644
--- a/pwndbg/commands/context.py
+++ b/pwndbg/commands/context.py
@@ -8,6 +8,7 @@ from __future__ import unicode_literals
 import sys
 
 import gdb
+
 import pwndbg.arguments
 import pwndbg.chain
 import pwndbg.color
diff --git a/pwndbg/commands/cpsr.py b/pwndbg/commands/cpsr.py
index 989bba3b6..2c41e09bd 100644
--- a/pwndbg/commands/cpsr.py
+++ b/pwndbg/commands/cpsr.py
@@ -6,6 +6,7 @@ from __future__ import print_function
 from __future__ import unicode_literals
 
 import gdb
+
 import pwndbg.arch
 import pwndbg.color
 import pwndbg.commands
diff --git a/pwndbg/commands/defcon.py b/pwndbg/commands/defcon.py
index b33f2098d..4ceaf8000 100644
--- a/pwndbg/commands/defcon.py
+++ b/pwndbg/commands/defcon.py
@@ -6,6 +6,7 @@ from __future__ import print_function
 from __future__ import unicode_literals
 
 import gdb
+
 import pwndbg.commands
 import pwndbg.memory
 import pwndbg.symbol
diff --git a/pwndbg/commands/dt.py b/pwndbg/commands/dt.py
index f5df940c5..75eaf1759 100644
--- a/pwndbg/commands/dt.py
+++ b/pwndbg/commands/dt.py
@@ -6,6 +6,7 @@ from __future__ import print_function
 from __future__ import unicode_literals
 
 import gdb
+
 import pwndbg.color
 import pwndbg.commands
 import pwndbg.dt
diff --git a/pwndbg/commands/elf.py b/pwndbg/commands/elf.py
index 6641210bb..ffcaf5cc2 100755
--- a/pwndbg/commands/elf.py
+++ b/pwndbg/commands/elf.py
@@ -5,9 +5,9 @@ from __future__ import division
 from __future__ import print_function
 from __future__ import unicode_literals
 
+import gdb
 from elftools.elf.elffile import ELFFile
 
-import gdb
 import pwndbg.commands
 
 
diff --git a/pwndbg/commands/gdbinit.py b/pwndbg/commands/gdbinit.py
index 6f48e25d3..e0ccebc44 100644
--- a/pwndbg/commands/gdbinit.py
+++ b/pwndbg/commands/gdbinit.py
@@ -11,6 +11,7 @@ from __future__ import print_function
 from __future__ import unicode_literals
 
 import gdb
+
 import pwndbg.commands
 
 
diff --git a/pwndbg/commands/heap.py b/pwndbg/commands/heap.py
index 77292c839..0d1750bdb 100755
--- a/pwndbg/commands/heap.py
+++ b/pwndbg/commands/heap.py
@@ -6,9 +6,9 @@ from __future__ import division
 from __future__ import print_function
 from __future__ import unicode_literals
 
+import gdb
 import six
 
-import gdb
 import pwndbg.color.memory as M
 import pwndbg.commands
 from pwndbg.color import bold
diff --git a/pwndbg/commands/ida.py b/pwndbg/commands/ida.py
index ea2fc084e..f95532f96 100644
--- a/pwndbg/commands/ida.py
+++ b/pwndbg/commands/ida.py
@@ -10,6 +10,7 @@ import datetime
 import os
 
 import gdb
+
 import pwndbg.commands
 import pwndbg.commands.context
 import pwndbg.ida
diff --git a/pwndbg/commands/misc.py b/pwndbg/commands/misc.py
index cb74a9cd4..0d42a0b9a 100644
--- a/pwndbg/commands/misc.py
+++ b/pwndbg/commands/misc.py
@@ -10,6 +10,7 @@ import errno as _errno
 import struct
 
 import gdb
+
 import pwndbg as _pwndbg
 import pwndbg.arch as _arch
 import pwndbg.commands
diff --git a/pwndbg/commands/nearpc.py b/pwndbg/commands/nearpc.py
index 10b339d40..eee018446 100644
--- a/pwndbg/commands/nearpc.py
+++ b/pwndbg/commands/nearpc.py
@@ -5,9 +5,9 @@ from __future__ import division
 from __future__ import print_function
 from __future__ import unicode_literals
 
+import gdb
 from capstone import *
 
-import gdb
 import pwndbg.arguments
 import pwndbg.color.context as C
 import pwndbg.color.disasm as D
diff --git a/pwndbg/commands/next.py b/pwndbg/commands/next.py
index d9348b143..26bc75ea9 100644
--- a/pwndbg/commands/next.py
+++ b/pwndbg/commands/next.py
@@ -9,6 +9,7 @@ from __future__ import print_function
 from __future__ import unicode_literals
 
 import gdb
+
 import pwndbg.commands
 import pwndbg.next
 
diff --git a/pwndbg/commands/peda.py b/pwndbg/commands/peda.py
index 0f570b4b5..e00bd07fe 100644
--- a/pwndbg/commands/peda.py
+++ b/pwndbg/commands/peda.py
@@ -8,6 +8,7 @@ from __future__ import unicode_literals
 import sys
 
 import gdb
+
 import pwndbg.auxv
 import pwndbg.commands
 import pwndbg.commands.context
diff --git a/pwndbg/commands/procinfo.py b/pwndbg/commands/procinfo.py
index 2b156c06c..9158ef2a3 100644
--- a/pwndbg/commands/procinfo.py
+++ b/pwndbg/commands/procinfo.py
@@ -9,6 +9,7 @@ import os
 import string
 
 import gdb
+
 import pwndbg.auxv
 import pwndbg.commands
 import pwndbg.file
diff --git a/pwndbg/commands/reload.py b/pwndbg/commands/reload.py
index 9f8b83062..9d397b7ff 100644
--- a/pwndbg/commands/reload.py
+++ b/pwndbg/commands/reload.py
@@ -11,6 +11,7 @@ import sys
 import types
 
 import gdb
+
 import pwndbg
 import pwndbg.commands
 import pwndbg.events
diff --git a/pwndbg/commands/rop.py b/pwndbg/commands/rop.py
index 2daef5c6d..5aaac6353 100644
--- a/pwndbg/commands/rop.py
+++ b/pwndbg/commands/rop.py
@@ -11,6 +11,7 @@ import subprocess
 import tempfile
 
 import gdb
+
 import pwndbg.commands
 import pwndbg.vmmap
 
diff --git a/pwndbg/commands/ropper.py b/pwndbg/commands/ropper.py
index 3c7ada6e8..da68b6df7 100644
--- a/pwndbg/commands/ropper.py
+++ b/pwndbg/commands/ropper.py
@@ -11,6 +11,7 @@ import subprocess
 import tempfile
 
 import gdb
+
 import pwndbg.commands
 import pwndbg.vmmap
 
diff --git a/pwndbg/commands/search.py b/pwndbg/commands/search.py
index 63e7557f9..ed5167dc9 100644
--- a/pwndbg/commands/search.py
+++ b/pwndbg/commands/search.py
@@ -11,6 +11,7 @@ import os
 import struct
 
 import gdb
+
 import pwndbg.color.memory as M
 import pwndbg.commands
 import pwndbg.config
diff --git a/pwndbg/commands/segments.py b/pwndbg/commands/segments.py
index 1e276edaf..bde7af344 100644
--- a/pwndbg/commands/segments.py
+++ b/pwndbg/commands/segments.py
@@ -6,6 +6,7 @@ from __future__ import print_function
 from __future__ import unicode_literals
 
 import gdb
+
 import pwndbg.commands
 import pwndbg.regs
 
diff --git a/pwndbg/commands/shell.py b/pwndbg/commands/shell.py
index f8053bdab..bfe6f65db 100644
--- a/pwndbg/commands/shell.py
+++ b/pwndbg/commands/shell.py
@@ -11,6 +11,7 @@ from __future__ import unicode_literals
 import os
 
 import gdb
+
 import pwndbg.commands
 import pwndbg.which
 
diff --git a/pwndbg/commands/start.py b/pwndbg/commands/start.py
index 93b533e41..cdac9aba9 100644
--- a/pwndbg/commands/start.py
+++ b/pwndbg/commands/start.py
@@ -10,6 +10,7 @@ from __future__ import print_function
 from __future__ import unicode_literals
 
 import gdb
+
 import pwndbg.commands
 import pwndbg.elf
 import pwndbg.events
diff --git a/pwndbg/commands/vmmap.py b/pwndbg/commands/vmmap.py
index 3d938a3f2..964629963 100644
--- a/pwndbg/commands/vmmap.py
+++ b/pwndbg/commands/vmmap.py
@@ -8,9 +8,9 @@ from __future__ import division
 from __future__ import print_function
 from __future__ import unicode_literals
 
+import gdb
 import six
 
-import gdb
 import pwndbg.color.memory as M
 import pwndbg.commands
 import pwndbg.compat
diff --git a/pwndbg/commands/windbg.py b/pwndbg/commands/windbg.py
index 17d2428e8..4e5faf7f0 100644
--- a/pwndbg/commands/windbg.py
+++ b/pwndbg/commands/windbg.py
@@ -13,6 +13,7 @@ import math
 import sys
 
 import gdb
+
 import pwndbg.arch
 import pwndbg.commands
 import pwndbg.memory
diff --git a/pwndbg/config.py b/pwndbg/config.py
index c2a0f002f..b36fd6d3b 100644
--- a/pwndbg/config.py
+++ b/pwndbg/config.py
@@ -26,9 +26,8 @@ import collections
 import sys
 import types
 
-import six
-
 import gdb
+import six
 
 TYPES = collections.OrderedDict()
 
diff --git a/pwndbg/disasm/__init__.py b/pwndbg/disasm/__init__.py
index 116b664e4..f1041864f 100644
--- a/pwndbg/disasm/__init__.py
+++ b/pwndbg/disasm/__init__.py
@@ -12,9 +12,9 @@ from __future__ import unicode_literals
 import collections
 
 import capstone
+import gdb
 from capstone import *
 
-import gdb
 import pwndbg.arch
 import pwndbg.disasm.arch
 import pwndbg.ida
diff --git a/pwndbg/dt.py b/pwndbg/dt.py
index 54eb7c33e..71506183a 100644
--- a/pwndbg/dt.py
+++ b/pwndbg/dt.py
@@ -15,6 +15,7 @@ import subprocess
 import tempfile
 
 import gdb
+
 import pwndbg.memory
 import pwndbg.typeinfo
 
diff --git a/pwndbg/elf.py b/pwndbg/elf.py
index d9c4bb171..c94659bc8 100644
--- a/pwndbg/elf.py
+++ b/pwndbg/elf.py
@@ -18,6 +18,7 @@ import subprocess
 import tempfile
 
 import gdb
+
 import pwndbg.auxv
 import pwndbg.events
 import pwndbg.info
diff --git a/pwndbg/emu/emulator.py b/pwndbg/emu/emulator.py
index 11f2924b5..bd82e3a79 100644
--- a/pwndbg/emu/emulator.py
+++ b/pwndbg/emu/emulator.py
@@ -12,9 +12,9 @@ import binascii
 import inspect
 
 import capstone as C
+import gdb
 import unicorn as U
 
-import gdb
 import pwndbg.arch
 import pwndbg.disasm
 import pwndbg.emu.emulator
diff --git a/pwndbg/enhance.py b/pwndbg/enhance.py
index b6ed7e7c7..c554659ec 100644
--- a/pwndbg/enhance.py
+++ b/pwndbg/enhance.py
@@ -16,6 +16,7 @@ from __future__ import unicode_literals
 import string
 
 import gdb
+
 import pwndbg.arch
 import pwndbg.color as color
 import pwndbg.color.enhance as E
diff --git a/pwndbg/events.py b/pwndbg/events.py
index 200f990d3..7f8fb6256 100644
--- a/pwndbg/events.py
+++ b/pwndbg/events.py
@@ -15,6 +15,7 @@ import sys
 import traceback
 
 import gdb
+
 import pwndbg.config
 import pwndbg.stdio
 
diff --git a/pwndbg/file.py b/pwndbg/file.py
index f1c1ca7d4..856d225b2 100755
--- a/pwndbg/file.py
+++ b/pwndbg/file.py
@@ -16,6 +16,7 @@ import os
 import tempfile
 
 import gdb
+
 import pwndbg.qemu
 import pwndbg.remote
 
diff --git a/pwndbg/gcc.py b/pwndbg/gcc.py
index 417550a51..0db58fbbb 100644
--- a/pwndbg/gcc.py
+++ b/pwndbg/gcc.py
@@ -15,6 +15,7 @@ import os
 import platform
 
 import gdb
+
 import pwndbg.arch
 
 
diff --git a/pwndbg/heap/dlmalloc.py b/pwndbg/heap/dlmalloc.py
index f328381f5..2739338b1 100644
--- a/pwndbg/heap/dlmalloc.py
+++ b/pwndbg/heap/dlmalloc.py
@@ -6,6 +6,7 @@ from __future__ import print_function
 from __future__ import unicode_literals
 
 import gdb
+
 import pwndbg.events
 import pwndbg.typeinfo
 
diff --git a/pwndbg/heap/ptmalloc.py b/pwndbg/heap/ptmalloc.py
index f328381f5..2739338b1 100644
--- a/pwndbg/heap/ptmalloc.py
+++ b/pwndbg/heap/ptmalloc.py
@@ -6,6 +6,7 @@ from __future__ import print_function
 from __future__ import unicode_literals
 
 import gdb
+
 import pwndbg.events
 import pwndbg.typeinfo
 
diff --git a/pwndbg/hexdump.py b/pwndbg/hexdump.py
index 70618805a..03543c616 100644
--- a/pwndbg/hexdump.py
+++ b/pwndbg/hexdump.py
@@ -26,7 +26,7 @@ def groupby(array, count, fill=None):
         yield array[i:i+count]
 
 config_colorize_ascii = theme.Parameter('hexdump-colorize-ascii', True, 'whether to colorize the hexdump command ascii section')
-config_separator      = theme.Parameter('hexdump-ascii-block-separator', u'│', 'block separator char of the hexdump command')
+config_separator      = theme.Parameter('hexdump-ascii-block-separator', '│', 'block separator char of the hexdump command')
 
 @pwndbg.config.Trigger([H.config_normal, H.config_zero, H.config_special, H.config_printable, config_colorize_ascii])
 def load_color_scheme():
diff --git a/pwndbg/ida.py b/pwndbg/ida.py
index 97d171e01..09384c4b0 100644
--- a/pwndbg/ida.py
+++ b/pwndbg/ida.py
@@ -19,6 +19,7 @@ import traceback
 from contextlib import closing
 
 import gdb
+
 import pwndbg.arch
 import pwndbg.compat
 import pwndbg.elf
diff --git a/pwndbg/info.py b/pwndbg/info.py
index 1865579aa..a2da10f6b 100644
--- a/pwndbg/info.py
+++ b/pwndbg/info.py
@@ -11,6 +11,7 @@ from __future__ import print_function
 from __future__ import unicode_literals
 
 import gdb
+
 import pwndbg.memoize
 
 
diff --git a/pwndbg/inthook.py b/pwndbg/inthook.py
index 9fc119078..8d68a6284 100644
--- a/pwndbg/inthook.py
+++ b/pwndbg/inthook.py
@@ -13,6 +13,7 @@ from __future__ import unicode_literals
 import sys
 
 import gdb
+
 import pwndbg.typeinfo
 
 if sys.version_info < (3,0):
diff --git a/pwndbg/linkmap.py b/pwndbg/linkmap.py
index 9876ce29d..806628813 100644
--- a/pwndbg/linkmap.py
+++ b/pwndbg/linkmap.py
@@ -11,6 +11,7 @@ from __future__ import print_function
 from __future__ import unicode_literals
 
 import gdb
+
 import pwndbg.elf
 import pwndbg.events
 import pwndbg.memoize
diff --git a/pwndbg/memoize.py b/pwndbg/memoize.py
index d4b0d4431..bdb94b5b4 100644
--- a/pwndbg/memoize.py
+++ b/pwndbg/memoize.py
@@ -16,6 +16,7 @@ import functools
 import sys
 
 import gdb
+
 import pwndbg.events
 
 debug = False
diff --git a/pwndbg/memory.py b/pwndbg/memory.py
index e1989e34d..68b3e9100 100644
--- a/pwndbg/memory.py
+++ b/pwndbg/memory.py
@@ -12,6 +12,7 @@ import os
 import traceback
 
 import gdb
+
 import pwndbg.arch
 import pwndbg.compat
 import pwndbg.typeinfo
diff --git a/pwndbg/next.py b/pwndbg/next.py
index 67174faad..2fbe17584 100644
--- a/pwndbg/next.py
+++ b/pwndbg/next.py
@@ -10,8 +10,8 @@ from __future__ import print_function
 from __future__ import unicode_literals
 
 import capstone
-
 import gdb
+
 import pwndbg.disasm
 import pwndbg.regs
 
diff --git a/pwndbg/proc.py b/pwndbg/proc.py
index 2a98a38a9..b568f10dc 100644
--- a/pwndbg/proc.py
+++ b/pwndbg/proc.py
@@ -14,6 +14,7 @@ import sys
 from types import ModuleType
 
 import gdb
+
 import pwndbg.memoize
 import pwndbg.qemu
 
diff --git a/pwndbg/prompt.py b/pwndbg/prompt.py
index d72f6d903..3bbd83e66 100644
--- a/pwndbg/prompt.py
+++ b/pwndbg/prompt.py
@@ -6,6 +6,7 @@ from __future__ import print_function
 from __future__ import unicode_literals
 
 import gdb
+
 import pwndbg.events
 import pwndbg.memoize
 import pwndbg.stdio
diff --git a/pwndbg/qemu.py b/pwndbg/qemu.py
index a20260af6..a6c3d8174 100644
--- a/pwndbg/qemu.py
+++ b/pwndbg/qemu.py
@@ -10,9 +10,9 @@ from __future__ import unicode_literals
 
 import os
 
+import gdb
 import psutil
 
-import gdb
 import pwndbg.events
 import pwndbg.remote
 
diff --git a/pwndbg/regs.py b/pwndbg/regs.py
index 5872e4353..da5a23ac7 100644
--- a/pwndbg/regs.py
+++ b/pwndbg/regs.py
@@ -15,9 +15,9 @@ import re
 import sys
 from types import ModuleType
 
+import gdb
 import six
 
-import gdb
 import pwndbg.arch
 import pwndbg.compat
 import pwndbg.events
diff --git a/pwndbg/search.py b/pwndbg/search.py
index 61c7e8dac..8cdfcb09c 100644
--- a/pwndbg/search.py
+++ b/pwndbg/search.py
@@ -11,6 +11,7 @@ from __future__ import unicode_literals
 import struct
 
 import gdb
+
 import pwndbg.arch
 import pwndbg.memory
 import pwndbg.typeinfo
diff --git a/pwndbg/stack.py b/pwndbg/stack.py
index a1a246a4b..8aed6f4d9 100644
--- a/pwndbg/stack.py
+++ b/pwndbg/stack.py
@@ -13,6 +13,7 @@ from __future__ import print_function
 from __future__ import unicode_literals
 
 import gdb
+
 import pwndbg.events
 import pwndbg.memoize
 import pwndbg.memory
diff --git a/pwndbg/stdio.py b/pwndbg/stdio.py
index c83c4cbb7..bee365b96 100644
--- a/pwndbg/stdio.py
+++ b/pwndbg/stdio.py
@@ -15,6 +15,7 @@ import os
 import sys
 
 import gdb
+
 import pwndbg.compat
 
 
diff --git a/pwndbg/strings.py b/pwndbg/strings.py
index 348804aac..e8ede8bed 100644
--- a/pwndbg/strings.py
+++ b/pwndbg/strings.py
@@ -12,6 +12,7 @@ from __future__ import unicode_literals
 import string
 
 import gdb
+
 import pwndbg.events
 import pwndbg.memory
 import pwndbg.typeinfo
diff --git a/pwndbg/symbol.py b/pwndbg/symbol.py
index 552dd1076..85dc2bc84 100644
--- a/pwndbg/symbol.py
+++ b/pwndbg/symbol.py
@@ -20,9 +20,9 @@ import elftools.common.exceptions
 import elftools.elf.constants
 import elftools.elf.elffile
 import elftools.elf.segments
+import gdb
 import six
 
-import gdb
 import pwndbg.elf
 import pwndbg.events
 import pwndbg.file
diff --git a/pwndbg/typeinfo.py b/pwndbg/typeinfo.py
index 4ae8b93ea..3c669854d 100644
--- a/pwndbg/typeinfo.py
+++ b/pwndbg/typeinfo.py
@@ -15,9 +15,9 @@ import subprocess
 import sys
 import tempfile
 
+import gdb
 import six
 
-import gdb
 import pwndbg.events
 import pwndbg.gcc
 import pwndbg.memoize
diff --git a/pwndbg/ui.py b/pwndbg/ui.py
index 0d3f55ed7..e5d945915 100644
--- a/pwndbg/ui.py
+++ b/pwndbg/ui.py
@@ -18,7 +18,7 @@ import pwndbg.color.context as C
 import pwndbg.color.theme as theme
 import pwndbg.config as config
 
-theme.Parameter('banner-separator', u'─', 'repeated banner separator character')
+theme.Parameter('banner-separator', '─', 'repeated banner separator character')
 
 def banner(title):
     title = title.upper()
diff --git a/pwndbg/vmmap.py b/pwndbg/vmmap.py
index 813420ef9..816603c78 100644
--- a/pwndbg/vmmap.py
+++ b/pwndbg/vmmap.py
@@ -16,6 +16,7 @@ import os
 import sys
 
 import gdb
+
 import pwndbg.compat
 import pwndbg.elf
 import pwndbg.events