Fixed the file opening mode in dump_yaml method when a file path is provided as argument.

smarie · smarie · commit 3a2165aeee39 · 2018-09-12T14:07:00.000+02:00
diff --git a/yamlable/base.py b/yamlable/base.py
@@ -107,7 +107,7 @@ def dump_yaml(self,
         """
         from yaml import safe_dump, dump
         if isinstance(file_path_or_stream, str):
-            with open(file_path_or_stream, mode='wt') as f:
+            with open(file_path_or_stream, mode='w+t') as f:
                 if safe:
                     safe_dump(self, f, **pyyaml_kwargs)
                 else:
