[STYLE] more churn for the linter (- WIP PR #454 -)

Changes in file multicast/__main__.py:
 * linter churn

Changes in file multicast/hear.py:
 * linter churn

Changes in file tests/context.py:
 * linter churn

Author: reactive-firewall

multicast/__main__.py

@@ -263,7 +263,7 @@ def setupArgs(cls, parser):
 			This is trivial implementation make this an optional abstract method. Subclasses may
 			choose to implement it or leave it as a no-op.
 		"""
-		pass  # skipcq: PTC-W0049 - optional abstract method
+		pass  # skipcq: PTC-W0049, PYL-W0107 - optional abstract method
 
 	@staticmethod
 	def NoOp(*args, **kwargs):
@@ -663,7 +663,7 @@ def doStep(self, *args, **kwargs) -> tuple:
 				1,
 				f"CRITICAL - Attempted '[{__name__}]: {args}' just failed! :: {exit_code} {_cause}" # noqa
 			)
-			if (sys.stderr.isatty()):
+			if sys.stderr.isatty():
 				print(
 					"WARNING - An error occurred while handling the arguments. Refused.",
 					file=sys.stderr,

multicast/hear.py

@@ -823,7 +823,21 @@ class McastHEAR(multicast.mtool):
 	__prologue__ = "Python Multicast Server for multicast input."
 
 	@classmethod
-	def setupArgs(cls, parser):  # skipcq: PY-D0003
+	def setupArgs(cls, parser):
+		"""
+		Ignored for this subclass of mtool.
+
+		See multicast.__main__.McastRecvHearDispatch.setupArgs instead.
+
+		Args:
+			parser (argparse.ArgumentParser): ignored.
+
+		Returns:
+			None: This method does not return a value.
+
+		Note:
+			This is trivial implementation make this an optional abstract method.
+		"""
 		pass  # skipcq - Optional abstract method
 
 	def doStep(self, *args, **kwargs):

tests/context.py

@@ -1102,10 +1102,9 @@ def _should_get_package_version_WHEN_valid(self) -> packaging.version.Version:
 				len(parsed_version.release) >= 2,
 				"Version must have at least major.minor components."
 			)
-		except ImportError:
+		except Exception:
 			self.fail("Failed to import the multicast package to retrieve version.")
-		finally:
-			return parsed_version
+		return parsed_version
 
 	@unittest.skipUnless(True, "Insanity Test. Good luck debugging.")
 	def test_absolute_truth_and_meaning(self) -> None: