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gabrielfalcao / lettuce

Behavior-driven-development tool for python, inspired by Cucumber for Ruby ⛺
http://lettuce.it
GNU General Public License v3.0
1.27k stars 325 forks source link

line 175, in print_outline elines =reasons_to_fail[0].traceback.splitlines() AttributeError: 'NoneType' object has no attribute 'traceback' #524

Open flyingCloudRain opened 8 years ago

flyingCloudRain commented 8 years ago

when i run the demo watch it fails,the termail dont show the right it remaind me like

Traceback (most recent call last): File "e:\python27\lib\site-packages\lettuce\registry.py", line 15 ok callback(_args, *_kw) File "e:\python27\lib\site-packages\lettuce\plugins\colored_shell line 175, in print_outline elines =reasons_to_fail[0].traceback.splitlines() AttributeError: 'NoneType' object has no attribute 'traceback'

Died with 'NoneType' object has no attribute 'traceback' Traceback (most recent call last): File "e:\python27\lib\site-packages\lettuceinit.py", line 19 failfast=self.failfast)) File "e:\python27\lib\site-packages\lettuce\core.py", line 1237, scenarios_ran.extend(scenario.run(ignore_case, failfast=failfas File "e:\python27\lib\site-packages\lettuce\core.py", line 759, i results.append(run_scenario(self, index, outline, run_callbacks File "e:\python27\lib\site-packages\lettuce\core.py", line 740, i o reasons_to_fail) File "e:\python27\lib\site-packages\lettuce\registry.py", line 15 ok callback(_args, *_kw) File "e:\python27\lib\site-packages\lettuce\plugins\colored_shell line 175, in print_outline elines =reasons_to_fail[0].traceback.splitlines() AttributeError: 'NoneType' object has no attribute 'traceback'