Set __qualname__ in all wrappers that need it.

theano/configparser.py

@@ -8,6 +8,7 @@ import os
 import shlex
 import sys
 import warnings
+from functools import wraps
 
 from six import StringIO
 
@@ -96,6 +97,7 @@ def change_flags(**kwargs):
     Useful during tests.
     """
     def change_flags_exec(f):
+        @wraps(f)
         def inner(*args, **kwargs_):
             old_val = {}
             for k in kwargs:
@@ -117,9 +119,6 @@ def change_flags(**kwargs):
                     assert len(l) == 1
                     l[0].__set__(None, old_val[k])
 
-        # Make sure that the name of the decorated function remains the same.
-        inner.__name__ = f.__name__
-
         return inner
     return change_flags_exec
 

theano/gpuarray/tests/test_basic_ops.py

@@ -167,6 +167,8 @@ def makeTester(name, op, gpu_op, cases, checks=None, mode_gpu=mode_with_gpu,
                                inputs, variables))
 
     Checker.__name__ = name
+    if hasattr(Checker, '__qualname__'):
+        Checker.__qualname__ = name
     return Checker
 
 
@@ -228,6 +230,7 @@ def gpu_alloc_expected(x, *shp):
     g[:] = x
     return g
 
+
 GpuAllocTester = makeTester(
     name="GpuAllocTester",
     op=alloc,

theano/sparse/tests/test_basic.py

@@ -2472,6 +2472,8 @@ def _hv_switch(op, expected_function):
         def expected_f(self, a, format=None, dtype=None):
             return expected_function(a, format, dtype)
     XStackTester.__name__ = op.__name__ + "Tester"
+    if hasattr(XStackTester, '__qualname__'):
+        XStackTester.__qualname__ = XStackTester.__name__
     return XStackTester
 
 HStackTester = _hv_switch(HStack, sp.hstack)
@@ -2687,6 +2689,8 @@ def elemwise_checker(op, expected_f, gap=None, test_dtypes=None,
     if name is None:
         name = op.__name__.capitalize() + 'Tester'
     Tester.__name__ = name
+    if hasattr(Tester, '__qualname__'):
+        Tester.__qualname__ = name
     assert 'Roundhalftoeven' not in Tester.__name__
 
     return Tester

theano/tensor/tests/test_basic.py

@@ -539,6 +539,8 @@ def makeTester(name, op, expected, checks=None, good=None, bad_build=None,
                     assert None not in in_grad_vars
 
     Checker.__name__ = name
+    if hasattr(Checker, '__qualname__'):
+        Checker.__qualname__ = name
     return Checker
 
 

theano/tensor/tests/test_sharedvar.py

@@ -598,6 +598,8 @@ def makeSharedTester(shared_constructor_,
 
     assert name is not None
     SharedTester.__name__ = name
+    if hasattr(SharedTester, '__qualname__'):
+        SharedTester.__qualname__ = name
 
     return SharedTester