macos fix

Author: T-Dynamos

pythonforandroid/recipes/python3/__init__.py

@@ -367,7 +367,10 @@ def build_arch(self, arch):
                 _env=env
             )
             # rename executable
-            sh.cp('python', 'libpythonbin.so')
+            if isfile("python"):
+                sh.cp('python', 'libpythonbin.so')
+            elif isfile("python.exe"): # for macos
+                sh.cp('python.exe', 'libpythonbin.so')
 
             # TODO: Look into passing the path to pyconfig.h in a
             # better way, although this is probably acceptable