Bump Flake8 to fix CI for Python 3.7 (html5lib#554)

html5lib/_inputstream.py

@@ -324,7 +324,7 @@ def charsUntil(self, characters, opposite=False):
  except KeyError:
  if __debug__:
  for c in characters:
- assert(ord(c) < 128)
+ assert ord(c) < 128
  regex = "".join(["\\x%02x" % ord(c) for c in characters])
  if not opposite:
  regex = "^%s" % regex

html5lib/serializer.py

@@ -222,14 +222,14 @@ def __init__(self, **kwargs):
  self.strict = False
 
  def encode(self, string):
- assert(isinstance(string, text_type))
+ assert isinstance(string, text_type)
  if self.encoding:
  return string.encode(self.encoding, "htmlentityreplace")
  else:
  return string
 
  def encodeStrict(self, string):
- assert(isinstance(string, text_type))
+ assert isinstance(string, text_type)
  if self.encoding:
  return string.encode(self.encoding, "strict")
  else:

html5lib/tests/test_serializer.py

@@ -74,7 +74,7 @@ def _convertAttrib(self, attribs):
  attrs = {}
  for attrib in attribs:
  name = (attrib["namespace"], attrib["name"])
- assert(name not in attrs)
+ assert name not in attrs
  attrs[name] = attrib["value"]
  return attrs
 

html5lib/treebuilders/etree.py

@@ -108,7 +108,7 @@ def removeChild(self, node):
  node.parent = None
 
  def insertText(self, data, insertBefore=None):
- if not(len(self._element)):
+ if not len(self._element):
  if not self._element.text:
  self._element.text = ""
  self._element.text += data
@@ -201,7 +201,7 @@ def testSerializer(element):
  rv = []
 
  def serializeElement(element, indent=0):
- if not(hasattr(element, "tag")):
+ if not hasattr(element, "tag"):
  element = element.getroot()
  if element.tag == "<!DOCTYPE>":
  if element.get("publicId") or element.get("systemId"):

html5lib/treewalkers/etree.py

@@ -37,7 +37,7 @@ def getNodeDetails(self, node):
  else:
  node = elt
 
- if not(hasattr(node, "tag")):
+ if not hasattr(node, "tag"):
  node = node.getroot()
 
  if node.tag in ("DOCUMENT_ROOT", "DOCUMENT_FRAGMENT"):

requirements-test.txt

@@ -1,7 +1,7 @@
 -r requirements.txt
 
 tox>=3.15.1,<4
-flake8>=3.8.1,<3.9
+flake8>=3.8.1,<6
 pytest>=4.6.10,<5 ; python_version < '3'
 pytest>=5.4.2,<7 ; python_version >= '3'
 coverage>=5.1,<6