Error when running npm i

**I'm submitting a ...

* [X] bug report
* [ ] feature request
* [ ] question about the decisions made in the repository

### Issue description
node-pre-gyp WARN Tried to download(404): https://fsevents-binaries.s3-us-west-2.amazonaws.com/v1.2.4/fse-v1.2.4-node-v67-darwin-x64.tar.gz
node-pre-gyp WARN Pre-built binaries not found for fsevents@1.2.4 and node@11.10.1 (node-v67 ABI, unknown) (falling back to source compile with node-gyp)
gyp ERR! configure error
gyp ERR! stack Error: Command failed: /anaconda3/bin/python -c import sys; print "%s.%s.%s" % sys.version_info[:3];
gyp ERR! stack File "", line 1
gyp ERR! stack import sys; print "%s.%s.%s" % sys.version_info[:3];
gyp ERR! stack ^
gyp ERR! stack SyntaxError: invalid syntax
gyp ERR! stack
gyp ERR! stack at ChildProcess.exithandler (child_process.js:297:12)
gyp ERR! stack at ChildProcess.emit (events.js:197:13)
gyp ERR! stack at maybeClose (internal/child_process.js:984:16)
gyp ERR! stack at Socket.stream.socket.on (internal/child_process.js:401:11)
gyp ERR! stack at Socket.emit (events.js:197:13)
gyp ERR! stack at Pipe._handle.close (net.js:611:12)
gyp ERR! System Darwin 18.2.0

**Steps to reproduce:**
just running npm i

### Other information:
node: v11.10.1
npm: v6.7.0
OS:10.14.3 (18D109) (Mojave)
Chrome: Version 72.0.3626.121 (Official Build) (64-bit)