Remove unused package in example code (#56)

Hiroaki Imoto · web-flow · commit 2aa45b443e2f · 2022-11-03T09:58:21.000Z
diff --git a/docs/src/usage/parameter_estimation.md b/docs/src/usage/parameter_estimation.md
@@ -82,7 +82,6 @@ Save simulation results with optimized parameter values.
 
 ```julia
 using BioMASS
-using PyCall
 
 model = Model("./examples/fos_model");
 initpop = generate_initial_population(model)
