Update app.py

app.py

@@ -25,12 +25,22 @@ from sentence_transformers import SentenceTransformer
 
 huggingface_token = os.environ.get("HUGGINGFACE_TOKEN")
 
-# Load spaCy model
-nlp = spacy.load("en_core_web_sm")
-
 # Load SentenceTransformer model
 sentence_model = SentenceTransformer('paraphrase-MiniLM-L6-v2')
 
+def load_spacy_model():
+    try:
+        # Try to load the model
+        return spacy.load("en_core_web_sm")
+    except OSError:
+        # If loading fails, download the model
+        os.system("python -m spacy download en_core_web_sm")
+        # Try loading again
+        return spacy.load("en_core_web_sm")
+
+# Load spaCy model
+nlp = load_spacy_model()
+
 class EnhancedContextDrivenChatbot:
     def __init__(self, history_size=10):
         self.history = []