Add missing type hints.

Author: domdfcoding

flake8_strftime/__init__.py

@@ -66,7 +66,7 @@ def __init__(self) -> None:
 
 	if sys.version_info < (3, 8):  # pragma: no cover (PY38+)
 
-		def visit_Str(self, node: ast.Str):
+		def visit_Str(self, node: ast.Str) -> None:
 			"""
 			Visit an AST Str node.
 
@@ -78,7 +78,7 @@ def visit_Str(self, node: ast.Str):
 
 	else:  # pragma: no cover (<PY38)
 
-		def visit_Constant(self, node: ast.Constant):
+		def visit_Constant(self, node: ast.Constant) -> None:
 			"""
 			Visit an AST Constant node.
 
@@ -91,7 +91,7 @@ def visit_Constant(self, node: ast.Constant):
 			self._check_linux(node)
 			self._check_windows(node)
 
-	def _check_linux(self, node: Union[ast.Str, ast.Constant]):
+	def _check_linux(self, node: Union[ast.Str, ast.Constant]) -> None:
 		"""
 		Perform the check for Linux-specific codes.
 
@@ -105,7 +105,7 @@ def _check_linux(self, node: Union[ast.Str, ast.Constant]):
 					STRFTIME001,
 					))
 
-	def _check_windows(self, node: Union[ast.Str, ast.Constant]):
+	def _check_windows(self, node: Union[ast.Str, ast.Constant]) -> None:
 		"""
 		Perform the check for Windows-specific codes.
 

tests/flake8_strftime_test.py

@@ -1,5 +1,6 @@
 # stdlib
 import ast
+from typing import Set
 
 # 3rd party
 import pytest
@@ -8,7 +9,7 @@
 from flake8_strftime import Plugin
 
 
-def results(s):
+def results(s) -> Set[str]:
 	return {"{}:{}: {}".format(*r) for r in Plugin(ast.parse(s)).run()}