Traceback (most recent call last):


 "src/main/python/pybuilder/cli.py", line 413, in main

environments=options.environments, tasks=arguments)


 "src/main/python/pybuilder/reactor.py", line 128, in build

return self.build_execution_plan(tasks, execution_plan)


 "src/main/python/pybuilder/reactor.py", line 166, in build_execution_plan

reactor=self)


 "src/main/python/pybuilder/execution.py", line 351, in execute_execution_plan

summaries.append(self.execute_task(task, **keyword_arguments))


 "src/main/python/pybuilder/execution.py", line 308, in execute_task

if self.execute_action(action, keyword_arguments):


 "src/main/python/pybuilder/execution.py", line 340, in execute_action

action.execute(arguments)


 "src/main/python/pybuilder/execution.py", line 100, in execute

self.callable(*arguments)


 "src/main/python/pybuilder/plugins/python/coverage_plugin.py", line 54, in verify_coverage

run_coverage(project, logger, reactor, "coverage", "coverage", "run_unit_tests")


 "src/main/python/pybuilder/plugins/python/coverage_plugin.py", line 79, in run_coverage

shortest_plan))


 "src/main/python/pybuilder/utils.py", line 326, in fork_process

raise_exception(result[1], result[2])


 "src/main/python/pybuilder/excp_util_3.py", line 27, in raise_exception

raise ex.with_traceback(tb)


 "src/main/python/pybuilder/utils.py", line 308, in instrumented_target

send_value = (target(*args, **kwargs), None, None)


 "src/main/python/pybuilder/plugins/python/coverage_plugin.py", line 119, in do_coverage

_stop_coverage(project, coverage)


 "src/main/python/pybuilder/plugins/python/coverage_plugin.py", line 146, in _stop_coverage

coverage.combine()


 "/home/travis/virtualenv/python3.6.3/lib/python3.6/site-packages/coverage/control.py", line 802, in combine

self.get_data()


 "/home/travis/virtualenv/python3.6.3/lib/python3.6/site-packages/coverage/control.py", line 828, in get_data

if self.collector.save_data(self.data):
AttributeError: 'NoneType' object has no attribute 'save_data'

Traceback (most recent call last):


 "D:\tools\XX-Net-3.7.9\code\default\python27\1.0\lib\threading.py", line 801, in __bootstrap_inner

self.run()


 "D:\tools\XX-Net-3.7.9\code\default\python27\1.0\lib\threading.py", line 754, in run

self.__target(*self.__args, **self.__kwargs)


 "D:\tools\XX-Net-3.7.9\code\default\gae_proxy\local\google_ip.py", line 652, in scan_ip_worker

xlog.exception("google_ip.runJob fail:%r", e)
AttributeError: 'NoneType' object has no attribute 'exception'
