DOC: adding docstring to TooHardError class (#21471)

1 files changed, 9 insertions, 0 deletions

diff --git a/numpy/core/_exceptions.py b/numpy/core/_exceptions.py
index 3cd8042ce..be3aa8bee 100644
--- a/numpy/core/_exceptions.py
+++ b/numpy/core/_exceptions.py
@@ -117,6 +117,15 @@ class _UFuncOutputCastingError(_UFuncCastingError):
 # Exception used in shares_memory()
 @set_module('numpy')
 class TooHardError(RuntimeError):
+    """max_work was exceeded.
+
+    This is raised whenever the maximum number of candidate solutions 
+    to consider specified by the ``max_work`` parameter is exceeded.
+    Assigning a finite number to max_work may have caused the operation 
+    to fail.
+
+    """
+    
     pass