Cleanup code following type refining

Author: kdeldycke

src/click/core.py

@@ -2773,7 +2773,7 @@ def __init__(
         )
 
         if prompt is True:
-            if self.name is None:
+            if not self.name:
                 raise TypeError("'name' is required with 'prompt=True'.")
 
             prompt_text: str | None = self.name.replace("_", " ").capitalize()
@@ -3122,7 +3122,7 @@ def get_help_extra(self, ctx: Context) -> types.OptionHelpExtra:
                 if (
                     self.allow_from_autoenv
                     and ctx.auto_envvar_prefix is not None
-                    and self.name is not None
+                    and self.name
                 ):
                     envvar = f"{ctx.auto_envvar_prefix}_{self.name.upper()}"
 
@@ -3261,11 +3261,7 @@ def resolve_envvar_value(self, ctx: Context) -> str | None:
         if rv is not None:
             return rv
 
-        if (
-            self.allow_from_autoenv
-            and ctx.auto_envvar_prefix is not None
-            and self.name is not None
-        ):
+        if self.allow_from_autoenv and ctx.auto_envvar_prefix is not None and self.name:
             envvar = f"{ctx.auto_envvar_prefix}_{self.name.upper()}"
             rv = os.environ.get(envvar)
 

src/click/shell_completion.py

@@ -511,8 +511,6 @@ def _is_incomplete_argument(ctx: Context, param: Parameter) -> bool:
     if not isinstance(param, Argument):
         return False
 
-    assert param.name is not None
-    # Will be None if expose_value is False.
     value = ctx.params.get(param.name)
     return (
         param.nargs == -1