Tell coverage tool to ignore lines intended for mypy only

mthuurne · mthuurne · commit 9dc224723b8c · 2024-06-14T11:57:28.000+02:00
In particular, `if TYPE_CHECKING:` blocks and `...` in bodies of
overloaded method definitions.
diff --git a/.coveragerc b/.coveragerc
@@ -1,2 +1,8 @@
 [run]
 include = model_utils/*.py
+
+[report]
+exclude_also =
+    # Exclusive to mypy:
+    if TYPE_CHECKING:$
+    \.\.\.$
