Add nest_asyncio to run threaded queries (#737)

* Add nest_asyncio to run threaded queries

* Fix incorrect import

* Fix call to net_asyncio.apply()

* Remove unrequired call to nest_asyncio

msticpy/data/core/query_provider_connections_mixin.py

@@ -12,11 +12,14 @@
 from itertools import tee
 from typing import Any, Dict, List, Optional, Protocol, Tuple, Union
 
+import nest_asyncio
 import pandas as pd
 from tqdm.auto import tqdm
 
+
 from ..._version import VERSION
 from ...common.exceptions import MsticpyDataQueryError
+from ...common.utility.ipython import is_ipython
 from ..drivers.driver_base import DriverBase, DriverProps
 from .query_source import QuerySource
 
@@ -377,6 +380,8 @@ async def _exec_queries_threaded(
 def _get_event_loop() -> asyncio.AbstractEventLoop:
     """Return the current event loop, or create a new one."""
     try:
+        if is_ipython():
+            nest_asyncio.apply()
         loop = asyncio.get_running_loop()
     except RuntimeError:
         loop = asyncio.new_event_loop()