Update app.py

app.py

@@ -3,7 +3,29 @@ import pandas as pd
 import twint 
 import nest_asyncio
 
+import multiprocessing.pool
+import functools
+
+# https://stackoverflow.com/questions/492519/timeout-on-a-function-call
+def timeout(max_timeout):
+    """Timeout decorator, parameter in seconds."""
+    def timeout_decorator(item):
+        """Wrap the original function."""
+        @functools.wraps(item)
+        def func_wrapper(*args, **kwargs):
+            """Closure for function."""
+            pool = multiprocessing.pool.ThreadPool(processes=1)
+            async_result = pool.apply_async(item, args, kwargs)
+            # raises a TimeoutError if execution exceeds max_timeout
+            return async_result.get(max_timeout)
+        return func_wrapper
+    return timeout_decorator
+
+nest_asyncio.apply()
+
 # Function to make this easy for ourselves:
+@st.cache
+@timeout(5.0) 
 def get_tweets(username, limit=500, save_name=None):
   #nest_asyncio.apply() # Helps avoid RuntimeError: This event loop is already running