gyp ERR! stack Error: Python executable "python" is v3.4.3, which is not support
ed by gyp.
gyp ERR! stack You can pass the --python switch to point to Python >= v2.5.0 & <
 3.0.0.
gyp ERR! stack     at failPythonVersion (C:\Program Files\nodejs\node_modules\np
m\node_modules\node-gyp\lib\configure.js:121:14)
gyp ERR! stack     at C:\Program Files\nodejs\node_modules\npm\node_modules\node
-gyp\lib\configure.js:110:9
gyp ERR! stack     at ChildProcess.exithandler (child_process.js:194:7)
gyp ERR! stack     at emitTwo (events.js:87:13)
gyp ERR! stack     at ChildProcess.emit (events.js:172:7)
gyp ERR! stack     at maybeClose (internal/child_process.js:818:16)
gyp ERR! stack     at Socket.<anonymous> (internal/child_process.js:319:11)
gyp ERR! stack     at emitOne (events.js:77:13)
gyp ERR! stack     at Socket.emit (events.js:169:7)
gyp ERR! stack     at Pipe._onclose (net.js:469:12)
gyp ERR! System Windows_NT 10.0.10240