build(isort): Update to isort 5.x (#265)

Author: tony

libvcs/_compat.py

@@ -16,15 +16,16 @@
     itervalues = lambda d: d.itervalues()
     iteritems = lambda d: d.iteritems()
 
+    import ConfigParser as configparser
+    import cPickle as pickle
     from cStringIO import StringIO as BytesIO
     from StringIO import StringIO
-    import cPickle as pickle
-    import ConfigParser as configparser
 
     cmp = cmp
 
     input = raw_input
     from string import lower as ascii_lowercase
+
     import urlparse
 
     def console_to_str(s):
@@ -45,16 +46,16 @@ def implements_to_string(cls):
     itervalues = lambda d: iter(d.values())
     iteritems = lambda d: iter(d.items())
 
-    from io import StringIO, BytesIO
-    import pickle
     import configparser
+    import pickle
+    from io import BytesIO, StringIO
 
     cmp = lambda a, b: (a > b) - (a < b)
 
     input = input
-    from string import ascii_lowercase
     import urllib.parse as urllib
     import urllib.parse as urlparse
+    from string import ascii_lowercase
     from urllib.request import urlretrieve
 
     console_encoding = sys.__stdout__.encoding

poetry.lock

@@ -17,7 +17,10 @@ black = {version="==19.10b0", python="^3.6"}
 doc8 = "*"
 docutils = "*"
 flake8 = "*"
-isort = "*"
+isort = [
+  {version="<5", python="<3.6"},
+  {version="*", python=">=3.6"}
+]
 pytest = [
   {version="<4.7.0", python="<3"},
   {version="*", python=">=3"}

pyproject.toml

@@ -1,2 +1,3 @@
 flake8==3.7.7
-isort==4.3.20
+isort<=4.4;python_version<'3.6'
+isort>=5;python_version>='3.6'

requirements/dev.txt

@@ -47,7 +47,5 @@ include_trailing_comma = true
 multi_line_output = 3
 known_pytest = pytest,py
 known_first_party = libvcs
-split_before_closing_bracket = true
 sections = FUTURE,STDLIB,PYTEST,THIRDPARTY,FIRSTPARTY,LOCALFOLDER
 line_length = 88
-not_skip = __init__.py