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Fix exception causes in util.py #1108

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Fix exception causes in util.py #1108

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8 changes: 4 additions & 4 deletions nose/util.py
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Original file line number Diff line number Diff line change
Expand Up @@ -355,7 +355,7 @@ def split_test_name(test):
if file_like(fn):
# must be a funny path
file_or_mod, fn = test, None
except ValueError:
except ValueError as e:
# more than one : in the test
# this is a case like c:\some\path.py:a_test
parts = test.split(':')
Expand All @@ -365,7 +365,7 @@ def split_test_name(test):
# nonsense like foo:bar:baz
raise ValueError("Test name '%s' could not be parsed. Please "
"format test names as path:callable or "
"module:callable." % (test,))
"module:callable." % (test,)) from e
elif not tail:
# this is a case like 'foo:bar/'
# : must be part of the file path, so ignore it
Expand Down Expand Up @@ -459,11 +459,11 @@ def try_run(obj, names):
args, varargs, varkw, defaults = \
inspect.getargspec(func)
args.pop(0) # pop the self off
except TypeError:
except TypeError as e:
raise TypeError("Attribute %s of %r is not a python "
"function. Only functions or callables"
" may be used as fixtures." %
(name, obj))
(name, obj)) from e
if len(args):
log.debug("call fixture %s.%s(%s)", obj, name, obj)
return func(obj)
Expand Down