use LFPy without mpi4py from special LFPy branch

Jaquier Aurélien Tristan · Jaquier Aurélien Tristan · commit 0b1fffc4f626 · 2022-07-28T18:10:55.000+02:00
diff --git a/tox.ini b/tox.ini
@@ -20,7 +20,7 @@ deps =
     flake8
     mock
     neuron-nightly
-    LFPy
+    git+https://github.com/LFPy/LFPy.git@mpi_optional
     sh
     pytest-cov
 download = true
