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Fix KeyError exception when flask-babel is installed but not used #2485

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Fix KeyError exception when flask-babel is installed but not used #2485

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9 changes: 8 additions & 1 deletion flask_admin/babel.py
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Original file line number Diff line number Diff line change
@@ -1,7 +1,14 @@
from flask import current_app, has_app_context

try:
from flask_babel import Domain

except ImportError:
if has_app_context():
current_app().extensions['babel']
else:
raise KeyError

except (KeyError, ImportError):
def gettext(string, **variables):
return string % variables

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