replaced gca(projection="3d") with plt.axes(projection="3d") (#533)

* replaced gca(projection="3d") with plt.axes(projection="3d") as needed for matplotlib 3.4.2

* added an alias for gca() depending on the PyPlot vers.

* added an alias for gca() depending on the PyPlot vers.

* replaced the alias with direct call at the right places

* changed to proposed solution with quote "subplot"

* corrected indentation to use spaces instead of tabs

* Delete settings.json

removed the settings.json from vscode.

* Update src/plot3d.jl

* Update src/plot3d.jl

Co-authored-by: Steven G. Johnson <[email protected]>

Author: stakaz

src/plot3d.jl

@@ -58,7 +58,7 @@ for f in mplot3d_funcs
     fs = string(f)
     @eval @doc LazyHelp(axes3D,"Axes3D", $fs) function $f(args...; kws...)
         using3D() # make sure mplot3d is loaded
-        ax = gca(projection="3d")
+        ax = PyPlot.version <= v"3.4" ? gca(projection="3d") : plt."subplot"(projection="3d")
         pycall(ax.$fs, PyAny, args...; kws...)
     end
 end
@@ -74,7 +74,7 @@ for f in zlabel_funcs
     fs = string("set_", f)
     @eval @doc LazyHelp(axes3D,"Axes3D", $fs) function $f(args...; kws...)
         using3D() # make sure mplot3d is loaded
-        ax = gca(projection="3d")
+        ax = PyPlot.version <= v"3.4" ? gca(projection="3d") : plt."subplot"(projection="3d")
         pycall(ax.$fs, PyAny, args...; kws...)
     end
 end