WIP

opentelemetry-api/src/opentelemetry/util/_importlib_metadata.py

@@ -12,10 +12,10 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-# type: ignore
+# type: # ignore
 
 from sys import version_info
-from typing import Dict, Tuple, Union
+from typing import Dict, Tuple, Union, overload
 
 # FIXME remove this when support for 3.7 is dropped.
 if version_info.minor == 7:
@@ -30,10 +30,17 @@
     # entry points for 3.7 every time the entry points function is called.
     result_entry_points_37 = {}
 
+    @overload
     def entry_points(
-        group: str = None, name: str = None
-    ) -> Union[Tuple[EntryPoint], Dict[str, Tuple[EntryPoint]]]:
+        group: None, name: None
+    ) -> Dict[str, Tuple[EntryPoint, ...]]:
+        ...
+
+    @overload
+    def entry_points(group: str, name: str) -> Tuple[EntryPoint, ...]:
+        ...
 
+    def entry_points(group, name):
         if group is None and name is None:
 
             if not result_entry_points_37: