chore(credential): Update file to be opened as a text

ehdsouza · ehdsouza · commit 6337f055c95e · 2019-02-01T15:10:15.000-05:00
diff --git a/watson_developer_cloud/watson_service.py b/watson_developer_cloud/watson_service.py
@@ -319,7 +319,7 @@ def load_from_credential_file(self, service_name, separator='='):
                 credential_file_path = file_path
 
         if credential_file_path is not None:
-            with open(credential_file_path, 'rb') as fp:
+            with open(credential_file_path, 'r') as fp:
                 for line in fp:
                     key_val = line.strip().split(separator)
                     if len(key_val) == 2:
