try 88 instead of 100 for max line length.

tox.ini

@@ -35,7 +35,7 @@ commands=flake8 miio
 
 [flake8]
 exclude = .git,.tox,__pycache__
-max-line-length = 100
+max-line-length = 88
 select = C,E,F,W,B,B950
 ignore = E501,W503,E203
 
@@ -48,7 +48,7 @@ multi_line_output=3
 include_trailing_comma=True
 force_grid_wrap=0
 use_parentheses=True
-line_length=100
+line_length=88
 known_first_party=miio
 known_third_party=
   appdirs
@@ -71,7 +71,7 @@ omit =
   miio/extract_tokens.py
   miio/tests/*
   miio/version.py
+
 [coverage:report]
 exclude_lines =
   def __repr__
-