Fixed bug when --clean is used with tm-format and no generator.* is present

Author: edomora97

python/formats/ioi_format/__init__.py

@@ -24,7 +24,7 @@ class IOIFormat(TaskFormat):
     """
 
     @staticmethod
-    def clean():
+    def clean(has_generator=None):
         """
         Remove all the generated files, eventually removing also the
         corresponding directory.
@@ -49,7 +49,7 @@ def remove_file(path: str) -> None:
             except OSError:
                 pass
 
-        if get_generator():
+        if has_generator or get_generator():
             remove_dir("input", "*.txt")
             remove_dir("output", "*.txt")
         remove_dir("bin", "*")

python/formats/tm_format.py

@@ -384,7 +384,7 @@ def clean():
         Perform the cleanup for a task-maker task. Removes all the files of a
         ioi-format task, and removes also gen/GEN only if auto-generated.
         """
-        ioi_format.IOIFormat.clean()
+        ioi_format.IOIFormat.clean(has_generator=True)
         if os.path.exists("gen/GEN"):
             with open("gen/GEN") as f:
                 if "tm-allow-delete" not in f.read():