fixup relative imports

papersurfer/_version.txt

-0.10.0
+0.11.0

papersurfer/bibtex.py

 """Simplified DOI interface."""
-from doi import Doi
+from .doi import Doi
 
 
 class Bibtex:

papersurfer/doi.py

@@ -2,7 +2,7 @@
 import json
 import re
 import requests
-from dtos import PaperDTO
+from .dtos import PaperDTO
 
 
 class Doi:

papersurfer/mattermost.py

 """Simplified mattermost interface."""
-from exceptions import ConfigError
 import requests
 import mattermostdriver
-from dtos import PostDTO
-from doi import Doi
+from .exceptions import ConfigError
+from .dtos import PostDTO
+from .doi import Doi
 
 
 class Mattermost:

papersurfer/papersurfer.py

@@ -15,13 +15,13 @@ import time
 import os
 import sys
 import re
-from exceptions import ConfigError
 import urwid
 import configargparse
-from ui_elements import PrettyButton
-from mattermost import Mattermost
-from doi import Doi
-from bibtex import Bibtex
+from .exceptions import ConfigError
+from .ui_elements import PrettyButton
+from .mattermost import Mattermost
+from .doi import Doi
+from .bibtex import Bibtex
 
 
 class Papersurfer: