Geofence mechanism is updated according to V2.1.0.

Removed the trailing space as suggested by the style check.

The process of setting the geofence in V1 was different than V2, so this change updated the geofence process according to the need of V2. Geofence class is changed.

Author: MuhammadBilal1

examples/geofence.py

@@ -51,7 +51,7 @@ async def run():
 
     # circle = Circle(p1, 10.0, FenceType.INCLUSION)
 
-    # Sending the circle object is necessary in the geofence data, 
+    # Sending the circle object is necessary in the geofence data,
     # so if you don't want to set the circular geofence, send it like this.
     circle = Circle(Point(0, 0), 0, FenceType.INCLUSION)