Adjust return type of `registry.find` (#12227)

* Fix registry find return type

* add dot

* Add type ignore for mypy

* update black formatting version

* add mypy ignore to package cli

* mypy type fix (for real)

* Update find description in spacy/util.py

Co-authored-by: Raphael Mitsch <r.mitsch@outlook.com>

* adjust mypy directive

---------

Co-authored-by: Raphael Mitsch <r.mitsch@outlook.com>

spacy/cli/package.py

@@ -252,7 +252,7 @@ def get_third_party_dependencies(
                     raise regerr from None
             module_name = func_info.get("module")  # type: ignore[attr-defined]
             if module_name:  # the code is part of a module, not a --code file
-                modules.add(func_info["module"].split(".")[0])  # type: ignore[index]
+                modules.add(func_info["module"].split(".")[0])  # type: ignore[union-attr]
     dependencies = []
     for module_name in modules:
         if module_name in distributions:

spacy/util.py

@@ -144,8 +144,17 @@ class registry(thinc.registry):
         return func
 
     @classmethod
-    def find(cls, registry_name: str, func_name: str) -> Callable:
-        """Get info about a registered function from the registry."""
+    def find(
+        cls, registry_name: str, func_name: str
+    ) -> Dict[str, Optional[Union[str, int]]]:
+        """Find information about a registered function, including the
+        module and path to the file it's defined in, the line number and the
+        docstring, if available.
+
+        registry_name (str): Name of the catalogue registry.
+        func_name (str): Name of the registered function.
+        RETURNS (Dict[str, Optional[Union[str, int]]]): The function info.
+        """
         # We're overwriting this classmethod so we're able to provide more
         # specific error messages and implement a fallback to spacy-legacy.
         if not hasattr(cls, registry_name):