--- a/python/storage.py	Sat Oct 29 16:34:05 2016 -0400
+++ b/python/storage.py	Fri Nov 04 11:47:42 2016 -0400
@@ -437,8 +437,7 @@
 
 def deleteFromSqlite(filename, dataType):
     'Deletes (drops) some tables in the filename depending on type of data'
-    import os
-    if os.path.isfile(filename):
+    if path.isfile(filename):
         connection = sqlite3.connect(filename)
         if dataType == 'object':
             dropTables(connection, ['objects', 'objects_features'])
@@ -1258,6 +1257,9 @@
 
         config = ConfigParser()
         config.readfp(FakeSecHead(openCheck(filename)))
+        # check if path contains directory names
+        dirname = path.split(filename)[0]
+
         self.sectionHeader = config.sections()[0]
         # Tracking/display parameters
         self.videoFilename = config.get(self.sectionHeader, 'video-filename')
@@ -1268,8 +1270,8 @@
         else:
             self.homography = None
         self.intrinsicCameraFilename = config.get(self.sectionHeader, 'intrinsic-camera-filename')
-        if (path.exists(self.intrinsicCameraFilename)):
-            self.intrinsicCameraMatrix = loadtxt(self.intrinsicCameraFilename)
+        if (path.exists(dirname+path.sep+self.intrinsicCameraFilename)):
+            self.intrinsicCameraMatrix = loadtxt(dirname+path.sep+self.intrinsicCameraFilename)
         else:
             self.intrinsicCameraMatrix = None
         distortionCoefficients = getValuesFromINIFile(filename, 'distortion-coefficients', '=')