User defined OpenSSL library discovery does not work

[HelloZeroNet]

Because when from lib.sslcrypto.openssl import discovery imported for patching it also imports sslcrypto/openssl/library.py that is executes discover_library() before the patch.

Traceback (most recent call last):
  File "zeronet.py", line 17, in main
    main.start()
  File ".\ZeroNet-py3\src\main.py", line 602, in start
    actions.call(config.action, action_kwargs)
  File ".\ZeroNet-py3\src\main.py", line 133, in call
    back = func(**kwargs)
  File ".\ZeroNet-py3\src\main.py", line 585, in test
    for progress in ret:
  File ".\ZeroNet-py3\plugins\Stats\StatsPlugin.py", line 577, in testEnv
    from Crypt import CryptBitcoin
  File ".\ZeroNet-py3\src\Crypt\CryptBitcoin.py", line 10, in <module>
    import util.OpensslFindPatch
  File ".\ZeroNet-py3\src\util\OpensslFindPatch.py", line 5, in <module>
    from lib.sslcrypto.openssl import discovery
  File ".\ZeroNet-py3\src\lib\sslcrypto\openssl\__init__.py", line 1, in <module>
    from .aes import aes
  File ".\ZeroNet-py3\src\lib\sslcrypto\openssl\aes.py", line 5, in <module>
    from .library import lib, openssl_backend
  File ".\ZeroNet-py3\src\lib\sslcrypto\openssl\library.py", line 83, in <module>
    lib = discover_library()
  File ".\ZeroNet-py3\src\lib\sslcrypto\openssl\library.py", line 80, in discover_library
    raise OSError("OpenSSL is unavailable")
OSError: OpenSSL is unavailable