Install types for mypy

.github/workflows/upload-pypi-source.yml

@@ -48,6 +48,7 @@ jobs:
       run: |
         python -m pip install --upgrade pip
         python -m pip install pytest flake8 mypy
+        mypy --cache-dir=/tmp/mypy_cache --install-types
 
     - name: Lint source with flake8
       run: |
@@ -55,8 +56,8 @@ jobs:
 
     - name: Lint source with mypy
       run: |
-        mypy --exclude config.py tests
-        mypy chia
+        mypy --cache-dir=/tmp/mypy_cache --exclude config.py tests
+        mypy --cache-dir=/tmp/mypy_cache chia
 
     - name: Build source distribution
       run: |

mypy.ini

@@ -1,5 +1,6 @@
 [mypy]
 ignore_missing_imports = True
+incremental = True
 
 [mypy - lib]
 ignore_errors = True