Revert "MA: Make vote scrape smarter about continuing despite the occ…

…assional 404 or other error."

This reverts commit 8c7b069.

This commit put the scraper into an unending loop attempting to download vote pdfs that didn't exist.

openstates/ma/votes.py

@@ -48,7 +48,6 @@ class MiscellaneousVote(Exception):
         '''
 
     def scrape(self, chamber, session):
-        self._404_count = 0
         self.filenames = []
         if chamber == 'upper':
             self.scrape_senate(session)
@@ -82,17 +81,10 @@ def scrape_vote(self, session, rollcall_number):
 
         try:
             vote_file, resp = self.urlretrieve(url)
-        except scrapelib.HTTPError as exc:
-            if exc.response.status_code is 404:
-                if 10 < self._404_count:
-                    # We'll hit a number of 404s at the end of the votes.
-                    self.warning('Stopping; encountered a 404 at %s' % url)
-                    raise self.EndOfHouseVotes()
-                else:
-                    self._404_count += 1
-            else:
-                self.logger.exception(exc)
-                continue
+        except scrapelib.HTTPError:
+            # We'll hit a 404 at the end of the votes.
+            self.warning('Stopping; encountered a 404 at %s' % url)
+            raise self.EndOfHouseVotes
 
         text = convert_pdf(vote_file, type='text')
         text = text.decode('utf8')