removed pygraphviz

python = "^3.8"
matplotlib = "^3.5.2"
nibabel = "^3.2.2"
numpy = "^1.22.3"
templateflow = "^0.8.1"
PyPDF2 = "^1.27.12"
nilearn = "^0.9.1"
pandas = "^1.4.2"
networkx = "^2.7.1"
pillow = "9.0.1"
pyvista = "^0.36.1"
Pygments = "^2.11.2"