Specify encoding for "open()" functions
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@@ -158,7 +158,7 @@ def is_container():
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return True
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if not os.path.isfile("/proc/1/cgroup"):
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return False
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with open("/proc/1/cgroup") as fp:
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with open("/proc/1/cgroup", encoding="utf8") as fp:
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return ":/docker/" in fp.read()
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