fix code format problems

Author: motinwing

third_party/aipu/backend/aipu_hint_handler.py

@@ -21,11 +21,11 @@ def get_node_hints(code_generator, node):
     @staticmethod
     def inject_kwargs_with_hints(fn, flagtree_hints, line_num, kws):
         if fn.__name__ == "load" and flagtree_hints is not None:
-                print(f"[FLAGTREE] tl.load at line {line_num} has annotation {flagtree_hints}")
-                if 'flagtree_hints' not in kws:
-                    kws['flagtree_hints'] = ""
-                if flagtree_hints not in kws['flagtree_hints']:
-                    kws['flagtree_hints'] = flagtree_hints
+            print(f"[FLAGTREE] tl.load at line {line_num} has annotation {flagtree_hints}")
+            if 'flagtree_hints' not in kws:
+                kws['flagtree_hints'] = ""
+            if flagtree_hints not in kws['flagtree_hints']:
+                kws['flagtree_hints'] = flagtree_hints
 
     @staticmethod
     def maps_line_numbers_to_comment_hints(jit_fn):