more fixes at usage bar

Author: fernao

app/django-bbx/mucua/views.py

@@ -111,11 +111,11 @@ def mucua_get_info(request, uuid, repository=None):
 
     mucua_info['local annex size'] = convertToGB(
         str(float(local_annex_size.group(1))), size_list[local_annex_size.group(2)])
-    mucua_info['local used by other'] = str(
-        str(
-            used - float(re_crop_unit.match(mucua_info['local annex size']).group(1))
-        )) + 'GB'
-    if mucua_info['local used by other'] > 0:
+    mucua_info['local used by other'] = convertToGB(
+        str(used - float(re_crop_unit.match(mucua_info['local annex size']).group(1))
+        ), size_list[network_size.group(2)]
+    )
+    if mucua_info['local used by other'] < 0:
 	mucua_info['local used by other'] = 0
 
     mucua_info['network size'] =  convertToGB(