change some imports to python3 compatible format (relative)

sagenb/flask_version/admin.py

@@ -1,6 +1,6 @@
 import os
 from flask import Module, url_for, render_template, request, session, redirect, g, current_app
-from decorators import login_required, admin_required, with_lock
+from .decorators import login_required, admin_required, with_lock
 from flask.ext.babel import Babel, gettext, ngettext, lazy_gettext
 _ = gettext
 

sagenb/flask_version/authentication.py

@@ -1,7 +1,7 @@
 import os
 import random
 from flask import Module, url_for, render_template, request, session, redirect, g, current_app
-from decorators import with_lock
+from .decorators import with_lock
 from flask.ext.babel import gettext, ngettext, lazy_gettext
 _ = gettext
 

sagenb/flask_version/base.py

@@ -1,9 +1,11 @@
 #!/usr/bin/env python
-import os, time, re
+import os
+import time
+import re
 from functools import partial
 from flask import Flask, Module, url_for, request, session, redirect, g, make_response, current_app, render_template
-from decorators import login_required, guest_or_login_required, with_lock
-from decorators import global_lock
+from .decorators import login_required, guest_or_login_required, with_lock
+from .decorators import global_lock
 # Make flask use the old session foo from <=flask-0.9
 from flask_oldsessions import OldSecureCookieSessionInterface
 

sagenb/flask_version/doc.py

@@ -15,7 +15,7 @@
 """
 import os
 from flask import Module, url_for, render_template, request, session, redirect, g, current_app
-from decorators import login_required, guest_or_login_required
+from .decorators import login_required, guest_or_login_required
 
 from flask.ext.babel import gettext, ngettext, lazy_gettext
 _ = gettext

sagenb/flask_version/settings.py

@@ -1,7 +1,7 @@
 import os
 import random
 from flask import Module, url_for, render_template, request, session, redirect, g, current_app
-from decorators import login_required, with_lock
+from .decorators import login_required, with_lock
 from flask.ext.babel import gettext, ngettext, lazy_gettext
 _ = gettext
 

sagenb/flask_version/worksheet.py

@@ -4,7 +4,7 @@
 import collections
 from functools import wraps
 from flask import Module, make_response, url_for, render_template, request, session, redirect, g, current_app
-from decorators import login_required, with_lock
+from .decorators import login_required, with_lock
 from collections import defaultdict
 from werkzeug.utils import secure_filename
 from flask.ext.babel import Babel, gettext, ngettext, lazy_gettext

sagenb/flask_version/worksheet_listing.py

@@ -3,7 +3,7 @@
 import os
 import urllib, urlparse
 from flask import Module, url_for, render_template, request, session, redirect, g, current_app
-from decorators import login_required, guest_or_login_required, with_lock
+from .decorators import login_required, guest_or_login_required, with_lock
 from flask.ext.babel import Babel, gettext, ngettext, lazy_gettext
 _ = gettext