Configure linters.

Introduce flake8 and mypy for better error checking.
Fix all errors and warnings emitted by those.
Also fix type error with `url_for`.

1 files changed, 10 insertions, 0 deletions

diff --git a/setup.cfg b/setup.cfg
index 688b4fa..b6ab484 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -29,6 +29,16 @@ include_package_data = True
 
 [options.packages.find]
 
+[mypy]
+ignore_missing_imports = True
+disallow_untyped_defs = True
+
+[mypy-mu4web.main]
+# NOTE Flask endpoints aren't typed.
+# Prefer to move everything except flask endpoints
+# to proper modules
+disallow_untyped_defs = False
+
 [flake8]
 ignore = E731
 max-line-length = 100