Switch to portable Python from GitHub release

Author: ivankravets

pioinstaller/python.py

@@ -27,10 +27,14 @@
 
 
 PORTABLE_PYTHONS = {
-    "windows_x86": "https://dl.bintray.com/platformio/dl-misc/"
-    "python-portable-windows_x86-3.7.7.tar.gz",
-    "windows_amd64": "https://dl.bintray.com/platformio/dl-misc/"
-    "python-portable-windows_amd64-3.7.7.tar.gz",
+    "windows_x86": (
+        "https://github.com/platformio/platformio-core-installer/releases/download/"
+        "v0.3.1/python-portable-windows_x86-3.7.7.tar.gz"
+    ),
+    "windows_amd64": (
+        "https://github.com/platformio/platformio-core-installer/releases/download/"
+        "v0.3.1/python-portable-windows_amd64-3.7.7.tar.gz"
+    ),
 }