clean up

Author: LittleBug

example/.ipynb_checkpoints/Untitled-checkpoint.ipynb

@@ -41,7 +41,7 @@ end
 
 function dyson(d, sigma_q, mu)
     if d.symmetry == :ph #symmetrized G
-        @assert mu ≈ 0.0 "Only μ=0 case enjoys the particle-hole symmetry."
+        @assert mu ≈ 0.0 "Only the case μ=0 enjoys the particle-hole symmetry."
         return 1im * imag.(1 ./ (d.ωn * 1im .+ mu .- sigma_q))
     elseif d.symmetry == :none
         return -1 ./ (d.ωn * 1im .- mu .+ sigma_q)