move run_mypy to placate ci

.pre-commit-config.yaml

@@ -49,7 +49,7 @@ repos:
     hooks:
     - id: mypy
       name: mypy
-      entry: "python3 run_mypy.py"
+      entry: "python3 etc/run_mypy.py"
       language: python
       additional_dependencies: ["mypy==0.790", "tomlkit"]
       types: [python]

etc/run_mypy.py

@@ -15,7 +15,7 @@ def print_check_call(command):
     subprocess.check_call(command)
 
 
-os.chdir(pathlib.Path(__file__).parent)
+os.chdir(pathlib.Path(__file__).parent.parent)
 
 pip_command = ["pip", "install", "--no-input", "--quiet", "--editable", "."]
 print_check_call(pip_command)