build: oops, some 'if's are really line pragmas

Author: nedbat

metacov.ini

@@ -55,12 +55,14 @@ exclude_lines =
 
     # Lines that we can't run during metacov.
     pytest.mark.skipif\(env.METACOV
+    if not env.METACOV:
 
     # These lines only happen if tests fail.
     raise AssertionError
     pragma: only failure
 
     # Not-real code for type checking
+    if TYPE_CHECKING:
     class .*\(Protocol\):
     @overload
 
@@ -84,8 +86,6 @@ partial_branches =
     if env.TESTING:
     pragma: partial metacov
     if env.METACOV:
-    if not env.METACOV:
-    if TYPE_CHECKING:
 
 precision = 3