Bump up Mypy to v0.900

.pre-commit-config.yaml

@@ -10,15 +10,16 @@ repos:
         language_version: python3
 
 -   repo: https://github.com/pre-commit/mirrors-mypy
-    rev: v0.800
+    rev: v0.901
     hooks:
     -   id: mypy
         name: "Python types analyzer (source)"
-        args: ["--allow-redefinition", "--ignore-missing-imports", "--cache-dir=/dev/null", "src"]
+        args: ["src"]
         language: python
         pass_filenames: false
+        additional_dependencies: ["click ~= 8.0.0"]
     -   id: mypy
         name: "Python types analyzer (tests)"
-        args: ["--allow-redefinition", "--ignore-missing-imports", "--cache-dir=/dev/null", "tests"]
+        args: ["tests"]
         language: python
         pass_filenames: false

Makefile

@@ -3,7 +3,6 @@ COV_CONFIG    = ".coveragerc"
 SOURCE_FOLDER = "src"
 TESTS_FOLDER  = "tests"
 TESTS_PARAMS  = "-p no:cacheprovider"
-TYPING_PARAMS = "--allow-redefinition --ignore-missing-imports --cache-dir=/dev/null"
 
 
 .PHONY: check
@@ -12,8 +11,8 @@ check:
 	@black --check $(SOURCE_FOLDER)
 	@black --check $(TESTS_FOLDER)
 	@echo "Checking type annotations"
-	@mypy "$(TYPING_PARAMS)" $(SOURCE_FOLDER)
-	@mypy "$(TYPING_PARAMS)" $(TESTS_FOLDER)
+	@mypy $(SOURCE_FOLDER)
+	@mypy $(TESTS_FOLDER)
 
 
 .PHONY: tag

pyproject.toml

@@ -1,4 +1,4 @@
-# File containing Black formatting options
+# Black formatting options
 [tool.black]
 line-length = 100
 target-version = ['py37']
@@ -19,3 +19,9 @@ exclude = '''
   )/
 )
 '''
+
+# Mypy validation options
+[tool.mypy]
+cache_dir = "/dev/null"
+allow_redefinition = true
+ignore_missing_imports = true

setup.py

@@ -24,8 +24,8 @@
 DEVELOPMENT_REQS = [
     "black>=21.4b0",
     "coverage>=5.0.4",
-    "mypy==0.800",
-    "pre-commit>=2.10.0",
+    "mypy==0.901",
+    "pre-commit>=2.13.0",
     "pytest>=6.2.2",
     "pytest-cov>=2.10.0",
 ]