Updated dependency comicapi (removed pypdf2)

Updated dependency pyPDF2 ->pyPDF3
Fixed broken updater in case of http error
Bugfixes from testrun
Bugfix load cover for BasicMetadata

cps/updater.py

@@ -325,6 +325,7 @@ class Updater(threading.Thread):
 
     @staticmethod
     def _load_nightly_data(repository_url, commit, status):
+        update_data = dict()
         try:
             headers = {'Accept': 'application/vnd.github.v3+json'}
             r = requests.get(repository_url + '/git/commits/' + commit['object']['sha'],

cps/uploader.py

@@ -102,7 +102,7 @@ def default_meta(tmp_file_path, original_file_name, original_file_extension):
         extension=original_file_extension,
         title=original_file_name,
         author=_(u'Unknown'),
-        cover=pdf_preview(tmp_file_path, original_file_name),
+        cover=None, #pdf_preview(tmp_file_path, original_file_name),
         description="",
         tags="",
         series="",

optional-requirements.txt

@@ -30,7 +30,7 @@ rarfile>=2.7
 
 # other
 natsort>=2.2.0,<7.1.0
-comicapi>= 2.1.3,<2.2.0
+comicapi>= 2.2.0,<2.3.0
 
 #Kobo integration
 jsonschema>=3.2.0,<3.3.0