fix: xblock_poll -> xblock_poll_question

The import path `xblock_poll` is taken by the *newer* PollBlock,
developed and maintained by OpenCraft: https://github.com/open-craft/xblock-poll

We don't want to conflict with that block, so we've made the old formerly-
built-in block's path xblock_poll_question, which matches its entrtypoint and
XML tag, <poll_question>.

Author: kdmccormick

setup.py

@@ -159,7 +159,7 @@ def is_requirement(line):
             "_discussion_extracted = xblock_discussion:DiscussionXBlock",
             "_html_extracted = xblock_html:HtmlBlock",
             "_lti_extracted = xblock_lti:LTIBlock",
-            "_poll_question_extracted = xblock_poll:PollBlock",
+            "_poll_question_extracted = xblock_poll_question:PollBlock",
             "_problem_extracted = xblock_problem:ProblemBlock",
             "_video_extracted = xblock_video:VideoBlock",
             "_word_cloud_extracted = xblock_word_cloud:WordCloudBlock",

src/xblock_poll/.tx/config src/xblock_poll_question/.tx/configsrc/xblock_poll/.tx/config renamed to src/xblock_poll_question/.tx/config

@@ -1,7 +1,7 @@
 [main]
 host = https://www.transifex.com
 
-[o:open-edx:p:openedx-translations:r:xblock-poll]
+[o:open-edx:p:openedx-translations:r:xblock-poll-question]
 file_filter = conf/locale/<lang>/LC_MESSAGES/text.po
 source_file = conf/locale/en/LC_MESSAGES/text.po
 source_lang = en

src/xblock_poll/__init__.py src/xblock_poll_question/__init__.pysrc/xblock_poll/__init__.py renamed to src/xblock_poll_question/__init__.py

@@ -8,7 +8,7 @@
 from xblock.fields import ScopeIds
 from xblock.test.tools import TestRuntime
 
-from xblock_poll import PollBlock
+from xblock_poll_question import PollBlock
 
 
 class PollBlockTest(TestCase):