Updated error string

Co-Authored-By: Hugo van Kemenade <hugovk@users.noreply.github.com>
This commit is contained in:
Andrew Murray 2019-12-26 19:54:28 +11:00 committed by GitHub
parent fedb0407b4
commit c99257abb4
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@ -2698,7 +2698,7 @@ def open(fp, mode="r"):
raise ValueError("bad mode %r" % mode)
elif isinstance(fp, io.StringIO):
raise ValueError(
"StringIO cannot be used to open an image. Binary data must be used instead"
"StringIO cannot be used to open an image. Binary data must be used instead."
)
exclusive_fp = False