the underlying TA-Lib made one change which is the library name, in the 0.4.0 release it was -lta_lib and in the 0.6.0 releases it is -lta-lib, and so the ta-lib-python 0.5.1 will only work with the 0 ...
copying talib/stream.py -> build/lib.linux-x86_64-cpython-38/talib copying talib/init.py -> build/lib.linux-x86_64-cpython-38/talib copying talib/abstract.py -> build ...