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-rw-r--r--tests/basics/bytes_compare3.py9
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+# Based on MicroPython config option, comparison of str and bytes
+# or vice versa may issue a runtime warning. On CPython, if run as
+# "python3 -b", only comparison of str to bytes issues a warning,
+# not the other way around (while exactly comparison of bytes to
+# str would be the most common error, as in sock.recv(3) == "GET").
+# Update: the issue above with CPython apparently happens in REPL,
+# when run as a script, both lines issue a warning.
+print("123" == b"123")
+print(b"123" == "123")