python3.pysisyphus fails to build

[markuskowa]

Started with nixpkgs e0ce3c

Executing pipInstallPhase
/build/source/dist /build/source
Processing ./pysisyphus-0.7.2-py3-none-any.whl
Requirement already satisfied: sympy>=1.5.1 in /nix/store/p5693ynrgagx5ahd1bhzqlxnz3113zb4-python3.9-sympy-1.8/lib/python3.9/site-packages (from pysisyphus==0.7.2) (1.8)
Requirement already satisfied: distributed in /nix/store/j9lb3lzpv90p7sl8c49dyj6dlqdk0wgx-python3.9-distributed-2021.8.1/lib/python3.9/site-packages (from pysisyphus==0.7.2) (2021.8.1)
Requirement already satisfied: matplotlib in /nix/store/qqwln03nhr9bmimaw8rajb20dllvw1s4-python3.9-matplotlib-3.4.3/lib/python3.9/site-packages (from pysisyphus==0.7.2) (3.4.3)
Requirement already satisfied: scipy>=1.4.1 in /nix/store/s70gk1lm12grvbkisvfhriihsay7q3dg-python3.9-scipy-1.7.1/lib/python3.9/site-packages (from pysisyphus==0.7.2) (1.7.1)
Requirement already satisfied: numpy>=1.18.1 in /nix/store/x9s5ydfw01k3dpm9bw1jm4xcbmj5j0zc-python3.9-numpy-1.21.2/lib/python3.9/site-packages (from pysisyphus==0.7.2) (1.21.2)
Requirement already satisfied: pyyaml in /nix/store/igmikimmq9g4wvzgcd7q8i9yq1969k40-python3.9-PyYAML-5.4.1.1/lib/python3.9/site-packages (from pysisyphus==0.7.2) (5.4.1)
ERROR: Could not find a version that satisfies the requirement h5py==3.2.1 (from pysisyphus) (from versions: none)
ERROR: No matching distribution found for h5py==3.2.1
builder for '/nix/store/1s4a3qvsvbdlmaxwsc77h5b64rfjmrig-python3.9-pysisyphus-0.7.2.drv' failed with exit code 1

CC @sheepforce

[sheepforce]

Meh 😒 This is related to the pyscf problem with h5py. This is only pinned here, to avoid the problem with PySCF. I will patch this version constraint out.