Fixing the way that the user path is appended to the CAPO_PATH.

pycapo/_constants.py

@@ -2,5 +2,4 @@
 
 import os
 
-DEFAULT_CAPO_PATH='/home/casa/capo:/home/ssa/capo:' + \
-    os.path.join(os.path.expanduser('~'), '.capo')
\ No newline at end of file
+DEFAULT_CAPO_PATH='/home/casa/capo:/home/ssa/capo'
\ No newline at end of file

pycapo/models.py

 # -*- coding: utf-8 -*-
 import os
+import os.path
 import re
 import sys
 
@@ -55,9 +56,13 @@ class CapoConfig:
         else:
             self._path = DEFAULT_CAPO_PATH
 
+        # unconditionally append the user's capo path
+        self._path += ':' + os.path.join(os.path.expanduser('~'), '.capo')
+
         self._options, self._locations = dict(), dict()
         self._cfgfiles = [_CapoConfigurationFile(self.profile, d)
-                          for d in self._path.split(':')]
+                          for d in self._path.split(':')
+                          if d != '']
         self._update()
 
     def _update(self):