Update app.py

app.py

@@ -35,7 +35,7 @@ class VideoClassifier:
             print("Setting up Gemini model for Class Selection")
             self.setup_gemini_model()
         self.setup_paths()
-        self.hf_key = os.environ.get(hf_key, None)
+        self.hf_key = os.environ.get("HF_KEY", None)
     def setup_paths(self):
         self.path = './results'
         if os.path.exists(self.path):