stability

web/clean_dashboard.py

@@ -6056,6 +6056,7 @@ class CleanTradingDashboard:
             
             # Fallback: create BaseDataInput from available data
             from core.data_models import BaseDataInput, OHLCVBar, COBData
+            import random
             
             # Get OHLCV data for different timeframes - ensure we have enough data
             ohlcv_1s = self._get_ohlcv_bars(symbol, '1s', 300)
@@ -6073,7 +6074,6 @@ class CleanTradingDashboard:
                     if len(bars) > 0:
                         last_bar = bars[-1]
                         # Add small random variation to prevent identical data
-                        import random
                         for i in range(target_count - len(bars)):
                             # Create slight variations of the last bar
                             variation = random.uniform(-0.001, 0.001)  # 0.1% variation
@@ -6090,7 +6090,6 @@ class CleanTradingDashboard:
                             bars.append(new_bar)
                     else:
                         # Create realistic dummy bars with variation
-                        from core.data_models import OHLCVBar
                         base_price = 3500.0
                         for i in range(target_count):
                             # Add realistic price movement
@@ -8725,6 +8724,14 @@ def signal_handler(sig, frame):
     self.shutdown()  # Assuming a shutdown method exists or add one
     sys.exit(0)
 
-signal.signal(signal.SIGTERM, signal_handler)
-signal.signal(signal.SIGINT, signal_handler)
+# Only set signal handlers if we're in the main thread
+try:
+    import threading
+    if threading.current_thread() is threading.main_thread():
+        signal.signal(signal.SIGTERM, signal_handler)
+        signal.signal(signal.SIGINT, signal_handler)
+    else:
+        print("Warning: Signal handlers can only be set in main thread, skipping...")
+except Exception as e:
+    print(f"Warning: Could not set signal handlers: {e}")