[trio.from_thread]

Fixed issue where `RunFinishedError` was secretly refrencing deprecated
`BlockingTrioPortal`

Author: epellis

trio/_core/_exceptions.py

@@ -18,7 +18,7 @@ class TrioInternalError(Exception):
 
 
 class RunFinishedError(RuntimeError):
-    """Raised by `BlockingTrioPortal.run` and similar functions if the
+    """Raised by `trio.from_thread.run` and similar functions if the
     corresponding call to :func:`trio.run` has already finished.
 
     """