zulip_trello.py: Print error if requests isn't installed.
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@ -9,7 +9,13 @@ from __future__ import print_function
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import sys
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import argparse
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import requests
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try:
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import requests
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except ImportError:
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print("Error: Please install the python requests library before running this script:")
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print("http://docs.python-requests.org/en/master/user/install/")
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sys.exit(1)
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def get_model_id(options):
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"""get_model_id
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