René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"TypeError can't concat memoryview to bytearray","articleBody":"Attempting to run pip on Jython 2.7.1, I run into the error reported in pypa/pip#5296.\r\n\r\nTraceback points at msgpack as the culprit. Here's the tail of it:\r\n\r\n```\r\n  File \"/usr/local/Cellar/jython/2.7.1/libexec/Lib/site-packages/pip/_vendor/requests/sessions.py\", line 618, in send\r\n    r = adapter.send(request, **kwargs)\r\n  File \"/usr/local/Cellar/jython/2.7.1/libexec/Lib/site-packages/pip/_vendor/cachecontrol/adapter.py\", line 42, in send\r\n    cached_response = self.controller.cached_request(request)\r\n  File \"/usr/local/Cellar/jython/2.7.1/libexec/Lib/site-packages/pip/_vendor/cachecontrol/adapter.py\", line 42, in send\r\n    cached_response = self.controller.cached_request(request)\r\n  File \"/usr/local/Cellar/jython/2.7.1/libexec/Lib/site-packages/pip/_vendor/cachecontrol/controller.py\", line 137, in cached_request\r\n    resp = self.serializer.loads(request, cache_data)\r\n  File \"/usr/local/Cellar/jython/2.7.1/libexec/Lib/site-packages/pip/_vendor/cachecontrol/serialize.py\", line 98, in loads\r\n    return getattr(self, \"_loads_v{0}\".format(ver))(request, data)\r\n  File \"/usr/local/Cellar/jython/2.7.1/libexec/Lib/site-packages/pip/_vendor/cachecontrol/serialize.py\", line 98, in loads\r\n    return getattr(self, \"_loads_v{0}\".format(ver))(request, data)\r\n  File \"/usr/local/Cellar/jython/2.7.1/libexec/Lib/site-packages/pip/_vendor/cachecontrol/serialize.py\", line 190, in _loads_v4\r\n    cached = msgpack.loads(data, encoding='utf-8')\r\n  File \"/usr/local/Cellar/jython/2.7.1/libexec/Lib/site-packages/pip/_vendor/cachecontrol/serialize.py\", line 190, in _loads_v4\r\n    cached = msgpack.loads(data, encoding='utf-8')\r\n  File \"/usr/local/Cellar/jython/2.7.1/libexec/Lib/site-packages/pip/_vendor/msgpack/fallback.py\", line 119, in unpackb\r\n    unpacker.feed(packed)\r\n  File \"/usr/local/Cellar/jython/2.7.1/libexec/Lib/site-packages/pip/_vendor/msgpack/fallback.py\", line 298, in feed\r\n    self._buffer += view\r\nTypeError: can't concat memoryview to bytearray\r\n```\r\n\r\nIt would be nice to see this fixed, as jython is hobbled without a working pip.","author":{"url":"https://github.com/jaraco","@type":"Person","name":"jaraco"},"datePublished":"2018-06-19T12:35:42.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":4},"url":"https://github.com/303/msgpack-python/issues/303"}