Remove unused imports

trovebox/api/api_action.py

@@ -1,7 +1,6 @@
 """
 api_action.py : Trovebox Action API Classes
 """
-from trovebox.errors import TroveboxError
 from trovebox.objects.action import Action
 from .api_base import ApiBase
 

trovebox/api/api_activity.py

@@ -2,7 +2,6 @@
 api_activity.py : Trovebox Activity API Classes
 """
 import json
-from trovebox.errors import TroveboxError
 from trovebox.objects.activity import Activity
 from .api_base import ApiBase
 

trovebox/api/api_album.py

@@ -3,7 +3,6 @@ api_album.py : Trovebox Album API Classes
 """
 import collections
 
-from trovebox.errors import TroveboxError
 from trovebox.objects.trovebox_object import TroveboxObject
 from trovebox.objects.album import Album
 from .api_base import ApiBase

trovebox/api/api_photo.py

@@ -3,7 +3,6 @@ api_photo.py : Trovebox Photo API Classes
 """
 import base64
 
-from trovebox.errors import TroveboxError
 from trovebox.objects.photo import Photo
 from .api_base import ApiBase
 

trovebox/api/api_tag.py

@@ -6,7 +6,6 @@ try:
 except ImportError:
     from urllib import quote # Python2
 
-from trovebox.errors import TroveboxError
 from trovebox.objects.tag import Tag
 from .api_base import ApiBase