Update app.py

app.py

@@ -20,7 +20,7 @@ markets = ['DOTUSDT', 'BTCUSDT', 'ADAUSDT', 'BNBUSDT', 'SUIUSDT', 'XRPUSDT']
 # Initialize Hugging Face API
 api = HfApi()
 
-# 🔹 Initialize loop control variable
+# 🔹 Initialize loop control variable (Fixed Global Issue)
 loop_running = False  
 
 # Function to fetch data from CoinEx
@@ -72,7 +72,7 @@ def upload_to_huggingface():
 
 # Function to fetch, append & update the CSV
 def fetch_data():
-    global loop_running
+    global loop_running  # ✅ Fixed Scope Issue
     while loop_running:
         try:
             all_data = []
@@ -115,8 +115,7 @@ st.title("🔄 Live Cryptocurrency Data Fetching")
 
 # Start Fetching Button
 if st.button("Start Fetching Data"):
-    global loop_running
-    if not loop_running:
+    if not loop_running:  # ✅ Fixed issue by ensuring variable scope
         loop_running = True
         threading.Thread(target=fetch_data, daemon=True).start()
         st.success("✅ Started fetching and saving data.")