adjust sympify calls; close #322 (#323)

* adjust sympify calls

* version bump

Author: jverzani

Project.toml

@@ -1,6 +1,6 @@
 name = "SymPy"
 uuid = "24249f21-da20-56a4-8eb1-6a02cf4ae2e6"
-version = "1.0.12"
+version = "1.0.13"
 
 [deps]
 LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"

src/constructors.jl

@@ -67,7 +67,7 @@ macro syms(x...)
 end
 
 ## avoid PyObject conversion as possible
-Sym(x::T) where {T <: Number} = sympy.sympify(x)
+Sym(x::T) where {T <: Number} = sympify(x)
 Sym(x::Rational{T}) where {T} = Sym(numerator(x))/Sym(denominator(x))
 function Sym(x::Complex{Bool})
     !x.re && x.im && return IM
@@ -83,7 +83,7 @@ Sym(x::Irrational{T}) where {T} = convert(Sym, x)
 
 convert(::Type{Sym}, s::AbstractString) = Sym(s)
 
-sympify(s, args...; kwargs...) = sympy.sympify(s, args...; kwargs...)
+sympify(s, args...; kwargs...) = pycall(sympy.sympify::PyCall.PyObject, Sym, s) #sympy.sympify(s, args...; kwargs...)
 
 
 

src/numbers.jl

@@ -15,7 +15,7 @@ convert(::Type{T}, x::BigFloat) where {T<:SymbolicObject} = Sym(PyCall.PyObject(
 convert(::Type{Sym}, x::Complex{BigFloat}) = Sym(PyCall.PyObject(x))::Sym
 
 ## real
-convert(::Type{S}, x::T) where {S<:SymbolicObject, T <: Real}= sympy.sympify(x)::S
+convert(::Type{S}, x::T) where {S<:SymbolicObject, T <: Real}= sympify(x)::S
 convert(::Type{T}, x::Sym) where {T <: Real} = convert(T, PyObject(x))