merge various TYPE_CHECKING blocks into one

A bunch of files have several T.TYPE_CHECKING blocks that each do some
things which could just as well be done once, with a single `if`
statement. Make them do so.

1 files changed, 7 insertions, 7 deletions

diff --git a/mesonbuild/interpreterbase/baseobjects.py b/mesonbuild/interpreterbase/baseobjects.py
index 7186001..2e675e2 100644
--- a/mesonbuild/interpreterbase/baseobjects.py
+++ b/mesonbuild/interpreterbase/baseobjects.py
@@ -23,9 +23,16 @@ import typing as T
 from abc import ABCMeta
 
 if T.TYPE_CHECKING:
+    from typing_extensions import Protocol
+
     # Object holders need the actual interpreter
     from ..interpreter import Interpreter
 
+    __T = T.TypeVar('__T', bound=TYPE_var, contravariant=True)
+
+    class OperatorCall(Protocol[__T]):
+        def __call__(self, other: __T) -> TYPE_var: ...
+
 TV_fw_var = T.Union[str, int, bool, list, dict, 'InterpreterObject']
 TV_fw_args = T.List[T.Union[mparser.BaseNode, TV_fw_var]]
 TV_fw_kwargs = T.Dict[str, T.Union[mparser.BaseNode, TV_fw_var]]
@@ -41,13 +48,6 @@ TYPE_key_resolver = T.Callable[[mparser.BaseNode], str]
 
 SubProject = T.NewType('SubProject', str)
 
-if T.TYPE_CHECKING:
-    from typing_extensions import Protocol
-    __T = T.TypeVar('__T', bound=TYPE_var, contravariant=True)
-
-    class OperatorCall(Protocol[__T]):
-        def __call__(self, other: __T) -> TYPE_var: ...
-
 class InterpreterObject:
     def __init__(self, *, subproject: T.Optional['SubProject'] = None) -> None:
         self.methods: T.Dict[