fix: custom config file should expand path

Signed-off-by: Daniel Gonçalves <[email protected]>

Author: dangoncalves

Diff for: ovh/config.py

@@ -114,7 +114,7 @@ def get(self, section, name):
 
     def read(self, config_file):
         # Read an other config file
-        self.config.read(config_file)
+        self.config.read(os.path.realpath(os.path.expanduser(config_file)))
 
 
 #: System wide instance :py:class:`ConfigurationManager` instance