Description: Ignore missing HessianInversionWarning on some mips*

Author: Rebecca N. Palmer <rebecca_palmer@zoho.com>
Forwarded: no

--- a/statsmodels/base/tests/test_generic_methods.py
+++ b/statsmodels/base/tests/test_generic_methods.py
@@ -9,6 +9,8 @@ Created on Wed Oct 30 14:01:27 2013
 
 Author: Josef Perktold
 """
+import platform
+import contextlib
 from statsmodels.compat.pytest import pytest_warns
 from statsmodels.compat.pandas import assert_index_equal, assert_series_equal
 from statsmodels.compat.platform import (
@@ -232,7 +234,7 @@ class CheckGenericMixin:
                                                       start_params=sp,
                                                       method=method, disp=0)
             else:
-                with pytest_warns(warn_cls):
+                with (contextlib.nullcontext() if ((warn_cls is not None) and ('mips' in platform.uname()[4])) else pytest_warns(warn_cls)):
                     # more special casing RLM
                     if (isinstance(self.results.model, (sm.RLM))):
                         res1 = mod._fit_collinear()