그냥 소스로 돌릴땐 별문제없이 잘되는데 pyinstaller로 빌드하면 문제가납니다.

Traceback (most recent call last):
File "/home/src/build/vtc/build/oper/out00-PYZ.pyz/flask.app", line 1475, in full_dispatch_request
File "/home/src/build/vtc/build/oper/out00-PYZ.pyz/flask.app", line 1461, in dispatch_request
File "/home/src/build/vtc/build/oper/out00-PYZ.pyz/flask_login", line 758, in decorated_view
File "/home/src/build/vtc/build/oper/out00-PYZ.pyz/manager.sessionmanager", line 85, in decorated_function
File "/home/src/build/vtc/build/oper/out00-PYZ.pyz/application_operator.api.api_slot", line 50, in control_slot_stage
File "/home/src/build/vtc/build/oper/out00-PYZ.pyz/flask.templating", line 128, in render_template
File "/home/src/build/vtc/build/oper/out00-PYZ.pyz/flask.templating", line 110, in _render
File "/home/src/build/vtc/build/oper/out00-PYZ.pyz/jinja2.environment", line 969, in render
File "/home/src/build/vtc/build/oper/out00-PYZ.pyz/jinja2.environment", line 742, in handle_exception
File "/home/src/build/vtc/v1.2.0.1-20160406112653/application_operator/../application_operator/templates/control/control.html", line 6, in top-level template code
<h1>{{ _('CONTROL STAGES') }} <small>{{ _('You can control the priority and conditions of STAGE.') }}</small></h1>
File "/BIGMAN/m_project/venv/lib/python2.7/site-packages/flask_babel/__init__.py", line 458, in gettext
t = get_translations()
File "/BIGMAN/m_project/venv/lib/python2.7/site-packages/flask_babel/__init__.py", line 196, in get_translations
translations = support.Translations.load(dirname, [get_locale()])
File "/BIGMAN/m_project/venv/lib/python2.7/site-packages/flask_babel/__init__.py", line 219, in get_locale
locale = Locale.parse(rv)
File "/BIGMAN/m_project/venv/lib/python2.7/site-packages/babel/core.py", line 315, in parse
raise UnknownLocaleError(input_id)
UnknownLocaleError: unknown locale 'de'
결국 저 rootpath 에 translation/de 라는 파일을 못찾거나 babel 로사용할수 없다는 파일이란 말인데 소스로 돌릴땐 잘되요. 
같은 문제 격어보신 분 있으면해결방법좀 공유해주세요..ㅜㅜ