LibMambaUnsatisfiableError: Encountered problems while solving: - nothing provides openssl >=1.1.1,<1.1.2.0a0 needed by python-2.7.15-h9bab390_2 Could not solve for environment specs The following packages are incompatible ├─ matplotlib <3.7 is installable with the potential options │ ├─ matplotlib [1.5.3|2.0.2|...|2.2.4] would require │ │ └─ python [2.7* |>=2.7,<2.8.0a0 ] with the potential options │ │ ├─ python [2.7.12|2.7.13|...|2.7.18], which can be installed; │ │ └─ python [2.7.15|3.6.7|3.7.1] would require │ │ └─ openssl >=1.1.1,<1.1.2.0a0 , which does not exist (perhaps a missing channel); │ ├─ matplotlib [1.5.3|2.0.2|...|3.0.0] would require │ │ └─ python [3.5* |>=3.5,<3.6.0a0 ], which can be installed; │ ├─ matplotlib [2.0.2|2.1.0|...|3.3.4] would require │ │ └─ python >=3.6,<3.7.0a0 with the potential options │ │ ├─ python [2.7.15|3.6.7|3.7.1], which cannot be installed (as previously explained); │ │ └─ python [3.6.0|3.6.1|...|3.6.9], which can be installed; │ ├─ matplotlib [2.1.2|2.2.2|...|3.5.3] would require │ │ └─ python >=3.7,<3.8.0a0 with the potential options │ │ ├─ python [2.7.15|3.6.7|3.7.1], which cannot be installed (as previously explained); │ │ └─ python [3.7.0|3.7.1|...|3.7.9], which can be installed; │ ├─ matplotlib [2.2.4|3.1.1|...|3.6.2] would require │ │ └─ python >=3.8,<3.9.0a0 , which can be installed; │ ├─ matplotlib 3.2.1 would require │ │ └─ matplotlib-base >=3.2.1,<3.2.2.0a0 with the potential options │ │ ├─ matplotlib-base [3.2.0|3.2.1|3.2.2|3.3.1|3.3.2] would require │ │ │ └─ python >=3.6,<3.7.0a0 with the potential options │ │ │ ├─ python [2.7.15|3.6.7|3.7.1], which cannot be installed (as previously explained); │ │ │ └─ python [3.6.0|3.6.1|...|3.6.9], which can be installed; │ │ ├─ matplotlib-base [3.2.0|3.2.1|3.2.2|3.3.1|3.3.2] would require │ │ │ └─ python >=3.7,<3.8.0a0 with the potential options │ │ │ ├─ python [2.7.15|3.6.7|3.7.1], which cannot be installed (as previously explained); │ │ │ └─ python [3.7.0|3.7.1|...|3.7.9], which can be installed; │ │ ├─ matplotlib-base [3.2.0|3.2.1|3.2.2|3.3.1|3.3.2] would require │ │ │ └─ python >=3.8,<3.9.0a0 , which can be installed; │ │ ├─ matplotlib-base [2.2.5|3.2.1|...|3.3.2] would require │ │ │ └─ python_abi 3.6.* *_cp36m, which can be installed; │ │ ├─ matplotlib-base [2.2.5|3.2.1|...|3.3.2] would require │ │ │ └─ python_abi 3.7.* *_cp37m, which can be installed; │ │ └─ matplotlib-base [2.2.5|3.2.1|...|3.3.2] would require │ │ └─ python_abi 3.8.* *_cp38, which can be installed; │ ├─ matplotlib [3.2.2|3.3.1] would require │ │ └─ matplotlib-base [>=3.2.2,<3.2.3.0a0 |>=3.3.1,<3.3.2.0a0 ] with the potential options │ │ ├─ matplotlib-base [3.2.0|3.2.1|3.2.2|3.3.1|3.3.2], which can be installed (as previously explained); │ │ ├─ matplotlib-base [3.2.0|3.2.1|3.2.2|3.3.1|3.3.2], which can be installed (as previously explained); │ │ ├─ matplotlib-base [3.2.0|3.2.1|3.2.2|3.3.1|3.3.2], which can be installed (as previously explained); │ │ ├─ matplotlib-base [2.2.5|3.2.1|...|3.3.2], which can be installed (as previously explained); │ │ ├─ matplotlib-base [2.2.5|3.2.1|...|3.3.2], which can be installed (as previously explained); │ │ ├─ matplotlib-base [2.2.5|3.2.1|...|3.3.2], which can be installed (as previously explained); │ │ └─ matplotlib-base [3.2.2|3.3.0|3.3.1|3.3.2] would require │ │ └─ python_abi 3.6 *_pypy36_pp73, which requires │ │ └─ python 3.6.* *_73_pypy, which can be installed; │ ├─ matplotlib 3.3.2 would require │ │ └─ matplotlib-base >=3.3.2,<3.3.3.0a0 with the potential options │ │ ├─ matplotlib-base [3.2.0|3.2.1|3.2.2|3.3.1|3.3.2], which can be installed (as previously explained); │ │ ├─ matplotlib-base [3.2.0|3.2.1|3.2.2|3.3.1|3.3.2], which can be installed (as previously explained); │ │ ├─ matplotlib-base [3.2.0|3.2.1|3.2.2|3.3.1|3.3.2], which can be installed (as previously explained); │