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authorzsquareplusc <cliechti@gmx.net>2019-02-11 09:45:35 +0800
committerGitHub <noreply@github.com>2019-02-11 09:45:35 +0800
commit24b02e6ae39b11e52137fd5e73c9dccc2cdeeaca (patch)
treeafdddcfcefae56a1cf72630f7ecec723ea9a9e3d
parent2a77846ee3e5a0c9fae7de02ec04609d46e6ef9e (diff)
downloadpyserial-git-24b02e6ae39b11e52137fd5e73c9dccc2cdeeaca.tar.gz
Use self._port to determine port instance
Co-Authored-By: keelung-yang <csoapy@gmail.com>
-rw-r--r--serial/serialutil.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/serial/serialutil.py b/serial/serialutil.py
index 0ba0563..2785b6f 100644
--- a/serial/serialutil.py
+++ b/serial/serialutil.py
@@ -559,7 +559,7 @@ class SerialBase(io.RawIOBase):
# context manager
def __enter__(self):
- if self.port and not self.is_open:
+ if self._port is not None and not self.is_open:
self.open()
return self