Fix flake8 errors

pydriller/domain/commit.py

@@ -202,9 +202,9 @@ def diff(self) -> str:
 
  def _get_decoded_str(self, diff: Union[str, bytes, None]) -> Optional[str]:
  try:
- if type(diff) == bytes:
+ if isinstance(diff, bytes):
  return diff.decode("utf-8", "ignore")
- if type(diff) == str:
+ if isinstance(diff, str):
  return diff
  return None
  except (AttributeError, ValueError):
@@ -224,14 +224,14 @@ def _get_undecoded_content(self, blob: Optional[IndexObject]) -> Optional[bytes]
 
  @property
  def source_code(self) -> Optional[str]:
- if self.content and type(self.content) == bytes:
+ if self.content and isinstance(self.content, bytes):
  return self._get_decoded_content(self.content)
 
  return None
 
  @property
  def source_code_before(self) -> Optional[str]:
- if self.content_before and type(self.content_before) == bytes:
+ if self.content_before and isinstance(self.content_before, bytes):
  return self._get_decoded_content(self.content_before)
 
  return None

tests/test_commit.py

@@ -389,14 +389,14 @@ def test_commit_dictset(repo: Git):
 
  commit_dict = {c1: c1.hash, c2: c2.hash, c3: c3.hash}
 
- assert type(commit_dict) == dict
+ assert isinstance(commit_dict, dict)
  assert commit_dict[c1] == "e7d13b0511f8a176284ce4f92ed8c6e8d09c77f2"
  assert commit_dict[c2] == c1.parents[0]
  assert commit_dict[c3] == "a4ece0762e797d2e2dcbd471115108dd6e05ff58"
  assert commit_dict[c1] != commit_dict[c2]
 
  commit_set = {c1, c2, c3}
- assert type(commit_set) == set
+ assert isinstance(commit_set, set)
  assert c1 in commit_set
  assert commit_set - {c1} == {c2, c3}
 
@@ -411,13 +411,13 @@ def test_modification_dictset(repo: Git):
 
  mod_dict = {m1: c1, m2s[0]: c2, m2s[1]: c2}
 
- assert type(mod_dict) == dict
+ assert isinstance(mod_dict, dict)
  assert mod_dict[m1].hash == "e7d13b0511f8a176284ce4f92ed8c6e8d09c77f2"
  assert mod_dict[m2s[0]].hash == c1.parents[0]
  assert mod_dict[m2s[1]].hash == c1.parents[0]
  assert m1 != m2s[0]
 
  mod_set = {m1}.union(set(m2s))
- assert type(mod_set) == set
+ assert isinstance(mod_set, set)
  assert m1 in mod_set
  assert mod_set - {m1} == set(m2s)