Make uv run --all-extras pyright --verifytypes click pass (#3072)

Author: Rowlando13

pyproject.toml

@@ -174,6 +174,7 @@ description = "run static type checkers"
 dependency_groups = ["typing"]
 commands = [
     ["mypy"],
+    ["pyright", "--ignoreexternal", "--verifytypes", "click"],
 ]
 
 [tool.tox.env.docs]

src/click/core.py

@@ -2167,7 +2167,7 @@ def __init__(
         self.nargs = nargs
         self.multiple = multiple
         self.expose_value = expose_value
-        self.default = default
+        self.default: t.Any | t.Callable[[], t.Any] | None = default
         self.is_eager = is_eager
         self.metavar = metavar
         self.envvar = envvar
@@ -2762,7 +2762,7 @@ def __init__(
             if type is None:
                 # A flag without a flag_value is a boolean flag.
                 if flag_value is UNSET:
-                    self.type = types.BoolParamType()
+                    self.type: types.ParamType = types.BoolParamType()
                 # If the flag value is a boolean, use BoolParamType.
                 elif isinstance(flag_value, bool):
                     self.type = types.BoolParamType()