environment: add some missing annotations

1 files changed, 5 insertions, 5 deletions

diff --git a/mesonbuild/environment.py b/mesonbuild/environment.py
index 71286a5fc..5d27a2c97 100644
--- a/mesonbuild/environment.py
+++ b/mesonbuild/environment.py
@@ -756,19 +756,19 @@ class Environment:
             cmd.insert(1, '-u')
         return cmd
 
-    def is_header(self, fname):
+    def is_header(self, fname: 'mesonlib.FileOrString') -> bool:
         return is_header(fname)
 
-    def is_source(self, fname):
+    def is_source(self, fname: 'mesonlib.FileOrString') -> bool:
         return is_source(fname)
 
-    def is_assembly(self, fname):
+    def is_assembly(self, fname: 'mesonlib.FileOrString') -> bool:
         return is_assembly(fname)
 
-    def is_llvm_ir(self, fname):
+    def is_llvm_ir(self, fname: 'mesonlib.FileOrString') -> bool:
         return is_llvm_ir(fname)
 
-    def is_object(self, fname):
+    def is_object(self, fname: 'mesonlib.FileOrString') -> bool:
         return is_object(fname)
 
     @lru_cache(maxsize=None)