sponsor-patch: fix bugs from py3 migration

ubuntutools/question.py

@@ -82,7 +82,7 @@ def input_number(question, min_number, max_number, default=None):
     else:
         question += "? "
     selected = None
-    while selected < min_number or selected > max_number:
+    while not selected or selected < min_number or selected > max_number:
         try:
             selected = input(question).strip()
         except (EOFError, KeyboardInterrupt):

ubuntutools/sponsor_patch/bugtask.py

@@ -74,7 +74,7 @@ class BugTask(object):
             if url.endswith(".dsc"):
                 response, data = httplib2.Http().request(url)
                 assert response.status == 200
-                with open(filename, 'w') as f:
+                with open(filename, 'wb') as f:
                     f.write(data)
 
                 dsc_file = os.path.join(os.getcwd(), filename)

ubuntutools/sponsor_patch/patch.py

@@ -68,7 +68,7 @@ class Patch(object):
     def download(self):
         """Downloads the patch from Launchpad."""
         Logger.debug("Downloading %s." % (self._patch_file))
-        patch_f = open(self._patch_file, "w")
+        patch_f = open(self._patch_file, "wb")
         patch_f.write(self._patch.data.open().read())
         patch_f.close()