bump isort version, move to style tools, minor flake8 fixes

Author: jay-tyler

.isort.cfg

@@ -3,4 +3,4 @@ multi_line_output=3
 include_trailing_comma=True
 force_grid_wrap=0
 use_parentheses=True
-line_length=88
+line_length=100

hug/__init__.py

@@ -34,7 +34,6 @@
 from falcon import *
 
 from hug import (
-    defaults,
     directives,
     exceptions,
     format,
@@ -90,7 +89,7 @@
 from hug.types import create as type
 
 # The following imports must be imported last; in particular, defaults to have access to all modules
-from hug import authentication  #isort:skip
+from hug import authentication  # isort:skip
 from hug import development_runner  # isort:skip
 from hug import defaults  # isort:skip
 

requirements/build_common.txt

@@ -1,6 +1,5 @@
 -r common.txt
 flake8==3.3.0
-isort==4.2.5
 pytest-cov==2.4.0
 pytest==4.3.1
 python-coveralls==2.9.0

requirements/build_style_tools.txt

@@ -1,6 +1,7 @@
 -r build_common.txt
 black==19.3b0
+isort==4.3.20
 pep8-naming==0.8.2
 flake8-bugbear==19.3.0
 vulture==1.0
-bandit==1.6.0
+bandit==1.6.0