stringIO always needs a string.

Signed-off-by: Tim van Katwijk <[email protected]>
containerbuildsystem · Dec 26, 2022 · 0892b5e · 0892b5e
1 parent a2583c8
commit 0892b5e
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/dockerfile_parse/util.py b/dockerfile_parse/util.py
@@ -48,7 +48,7 @@ def __init__(self, s, args=None, envs=None):
         :param envs: dict, environment variables to use; if None, do not
             attempt substitution
         """
-        self.stream = StringIO(s)
+        self.stream = StringIO(str(s))
         self.args = args
         self.envs = envs