Once you have CPLEX for old version python, Uninstall it first. Run this code in your command prompt pip uninstall cplex. Then run this code in your command prompt pip install cplex. If you don't have ...
What is the current behavior? pip install qiskit-aqua==0.7.0 generates error. Collecting cplex; python_version >= "3.6" and python_version < "3.8" (from qiskit-aqua ...