René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"ImportError: cannot import name _deferred_relation","articleBody":"```\nWhat steps will reproduce the problem?\n1. Run the program. See transcript below.\n\nWhat is the expected output? What do you see instead?\n\n$ sqlautocode sqlite:///tutorial.db -o models.py\nTraceback (most recent call last):\n  File \"/usr/local/bin/sqlautocode\", line 9, in \u003cmodule\u003e\n    load_entry_point('sqlautocode==0.7', 'console_scripts', 'sqlautocode')()\n  File \"/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/pkg_resources.py\", line 318, in load_entry_point\n\n  File \"/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/pkg_resources.py\", line 2221, in load_entry_point\n\n  File \"/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/pkg_resources.py\", line 1954, in load\n    *possible* to create pathological version coding schemes that will fool\n  File \"/Library/Python/2.7/site-packages/sqlautocode/main.py\", line 4, in \u003cmodule\u003e\n    from declarative import ModelFactory\n  File \"/Library/Python/2.7/site-packages/sqlautocode/declarative.py\", line 17, in \u003cmodule\u003e\n    from sqlalchemy.ext.declarative import _deferred_relation as _deferred_relationship\nImportError: cannot import name _deferred_relation\n\nWhat version of the product are you using? On what operating system?\n\nSQLAlchemy (0.8.0)\nsqlautocode (0.7)\n(both freshly updated from PyPI)\n\nOn Mac OS X 10.7.5, using Python 2.7.1\n\nPlease provide any additional information below.\n\n```\n\nOriginal issue reported on code.google.com by `jonathan...@gmail.com` on 5 Apr 2013 at 5:16\n","author":{"url":"https://github.com/GoogleCodeExporter","@type":"Person","name":"GoogleCodeExporter"},"datePublished":"2015-12-02T03:31:41.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":12},"url":"https://github.com/42/sqlautocode/issues/42"}