cleanup

ipykernel/connect.py

@@ -50,7 +50,9 @@ def _find_connection_file(connection_file):
         return jupyter_client.find_connection_file(connection_file)
 
 
-def get_connection_info(connection_file: str | None = None, unpack: bool = False) -> str:
+def get_connection_info(
+    connection_file: str | None = None, unpack: bool = False
+) -> str | dict[str, Any]:
     """Return the connection information for the current Kernel.
 
     Parameters
@@ -81,7 +83,7 @@ def get_connection_info(connection_file: str | None = None, unpack: bool = False
         info = json.loads(info_str)
         # ensure key is bytes:
         info["key"] = info.get("key", "").encode()
-        return info
+        return info  # type:ignore[no-any-return]
 
     return info_str
 

ipykernel/kernelapp.py

@@ -275,6 +275,7 @@ def write_connection_file(self):
             # original file had port number 0, we update with the actual port
             # used.
             existing_connection_info = get_connection_info(cf, unpack=True)
+            assert isinstance(existing_connection_info, dict)
             connection_info = dict(existing_connection_info, **connection_info)
             if connection_info == existing_connection_info:
                 self.log.debug("Connection file %s with current information already exists", cf)

ipykernel/kernelspec.py

@@ -111,7 +111,7 @@ def install(
     prefix: str | None = None,
     profile: str | None = None,
     env: dict[str, str] | None = None,
-):
+) -> str:
     """Install the IPython kernelspec for Jupyter
 
     Parameters
@@ -147,7 +147,7 @@ def install(
         # kernel_name is specified and display_name is not
         # default display_name to kernel_name
         display_name = kernel_name
-    overrides = {}
+    overrides: dict[str, Any] = {}
     if display_name:
         overrides["display_name"] = display_name
     if profile:
@@ -165,7 +165,7 @@ def install(
     )
     # cleanup afterward
     shutil.rmtree(path)
-    return dest
+    return dest  # type:ignore[no-any-return]
 
 
 # Entrypoint

ipykernel/zmqshell.py

@@ -378,6 +378,7 @@ def connect_info(self, arg_s):
         if jupyter_runtime_dir() == os.path.dirname(connection_file):
             connection_file = os.path.basename(connection_file)
 
+        assert isinstance(info, str)
         print(info + "\n")
         print(
             f"Paste the above JSON into a file, and connect with:\n"