remove erroneous pydel

Author: Christopher Doris

src/pywrap/PyDict.jl

@@ -69,10 +69,7 @@ function Base.empty!(x::PyDict)
 end
 
 function Base.copy(x::PyDict{K,V}) where {K,V}
-    o = @py x.copy()
-    c = PyDict{K,V}(o)
-    pydel!(o)
-    return c
+    return PyDict{K,V}(@py x.copy())
 end
 
 function Base.haskey(x::PyDict{K,V}, k) where {K,V}

src/pywrap/PyList.jl

@@ -93,8 +93,5 @@ function Base.empty!(x::PyList)
 end
 
 function Base.copy(x::PyList{T}) where {T}
-    o = @py x.copy()
-    c = PyList{T}(o)
-    pydel!(o)
-    return c
+    return PyList{T}(@py x.copy())
 end

src/pywrap/PySet.jl

@@ -96,8 +96,5 @@ function Base.empty!(x::PySet)
 end
 
 function Base.copy(x::PySet{T}) where {T}
-    o = @py x.copy()
-    c = PySet{T}(o)
-    pydel!(o)
-    return c
+    return PySet{T}(@py x.copy())
 end

test/pywrap.jl

@@ -0,0 +1,48 @@
+@testset "PyArray" begin
+end
+
+@testset "PyDict" begin
+    @testset "copy" begin
+        x = PyDict{String,Int}()
+        x["foo"] = 12
+        y = copy(x)
+        @test y isa PyDict{String,Int}
+        y["bar"] = 34
+        @test x == Dict("foo"=>12)
+        @test y == Dict("foo"=>12, "bar"=>34)
+    end
+end
+
+@testset "PyIO" begin
+end
+
+@testset "PyIterable" begin
+end
+
+@testset "PyList" begin
+    @testset "copy" begin
+        x = PyList{Int}([1, 2, 3])
+        y = copy(x)
+        @test y isa PyList{Int}
+        push!(y, 99)
+        @test x == [1, 2, 3]
+        @test y == [1, 2, 3, 99]
+    end
+end
+
+@testset "PyPandasDataFrame" begin
+end
+
+@testset "PySet" begin
+    @testset "copy" begin
+        x = PySet{Int}([1,2,3])
+        y = copy(x)
+        @test y isa PySet{Int}
+        push!(y, 99)
+        @test x == Set([1, 2, 3])
+        @test y == Set([1, 2, 3, 99])
+    end
+end
+
+@testset "PyTable" begin
+end

test/runtests.jl

@@ -20,4 +20,7 @@ Aqua.test_all(PythonCall, unbound_args=false)
     @testset "jlwrap" begin
         include("jlwrap.jl")
     end
+    @testset "pywrap" begin
+        include("pywrap.jl")
+    end
 end