Fixed database typo and removed unnecessary class identifier.

venv/Lib/site-packages/scipy/special/sf_error.py

@@ -0,0 +1,15 @@
+"""Warnings and Exceptions that can be raised by special functions."""
+import warnings
+
+
+class SpecialFunctionWarning(Warning):
+    """Warning that can be emitted by special functions."""
+    pass
+
+
+warnings.simplefilter("always", category=SpecialFunctionWarning)
+
+
+class SpecialFunctionError(Exception):
+    """Exception that can be raised by special functions."""
+    pass