DOC: correct docstring on start_event_loop

tacaswell · tacaswell · commit 0eb217298f81 · 2020-06-11T15:49:01.000-04:00
Blocks forever of 0 and negative, not just negative closes #17615
diff --git a/lib/matplotlib/backend_bases.py b/lib/matplotlib/backend_bases.py
@@ -2316,7 +2316,7 @@ def start_event_loop(self, timeout=0):
         The event loop blocks until a callback function triggers
         `stop_event_loop`, or *timeout* is reached.
 
-        If *timeout* is negative, never timeout.
+        If *timeout* is 0 or negative, never timeout.
 
         Only interactive backends need to reimplement this method and it relies
         on `flush_events` being properly implemented.
