Update app.py

app.py

@@ -19,7 +19,7 @@ load_dotenv()
 
 # ==================== ENVIRONMENT VALIDATION ====================
 def validate_environment():
-    FIREBASE_CREDENTIALS="""{
+    FIREBASE_CREDENTIALS={
   "type": "service_account",
   "project_id": "healbot-36975",
   "private_key_id": "ae436d3b915274a488ac3a6e4e6b400a91ebdc9b",
@@ -30,7 +30,7 @@ def validate_environment():
   "token_uri": "https://oauth2.googleapis.com/token",
   "auth_provider_x509_cert_url": "https://www.googleapis.com/oauth2/v1/certs",
   "client_x509_cert_url": "https://www.googleapis.com/robot/v1/metadata/x509/firebase-adminsdk-fbsvc%40healbot-36975.iam.gserviceaccount.com",
-  "universe_domain": "googleapis.com"}"""
+  "universe_domain": "googleapis.com"}
     # """Validate required environment variables"""
     required_vars = ["GEMINI_API_KEY"]
     missing = [var for var in required_vars if not os.getenv(var)]