Fails when installing with pypy3 about httptools HOT 1 OPEN

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FAIL: test_parser_request_4 (test_parser.TestRequestParser)
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Traceback (most recent call last):
  File "C:\WinP\bd38\buPyPy\WPy64-38122b3\notebooks\docs\test_parser.py", line 452, in test_parser_request_4
    p.feed_data('POST  HTTP/1.2')
TypeError: 'str' does not have the buffer interface

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "....WPy64-38122b3\notebooks\docs\test_parser.py", line 452, in test_parser_request_4
    p.feed_data('POST  HTTP/1.2')
AssertionError: "a bytes-like object" does not match "'str' does not have the buffer interface"

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FAIL: test_parser_response_2 (test_parser.TestResponseParser)
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Traceback (most recent call last):
  File "....WPy64-38122b3\notebooks\docs\test_parser.py", line 114, in test_parser_response_2
    httptools.HttpResponseParser(None).feed_data('')
TypeError: 'str' does not have the buffer interface

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "....WPy64-38122b3\notebooks\docs\test_parser.py", line 114, in test_parser_response_2
    httptools.HttpResponseParser(None).feed_data('')
AssertionError: "a bytes-like object" does not match "'str' does not have the buffer interface"

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FAIL: test_parser_url_10 (test_parser.TestUrlParser)
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Traceback (most recent call last):
  File "....WPy64-38122b3\notebooks\docs\test_parser.py", line 629, in test_parser_url_10
    self.parse('dsf://aaa')
TypeError: 'str' does not have the buffer interface

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "....WPy64-38122b3\notebooks\docs\test_parser.py", line 629, in test_parser_url_10
    self.parse('dsf://aaa')
AssertionError: "a bytes-like object" does not match "'str' does not have the buffer interface"