forgot to mark running as false in restart method

src/evaluators.js

@@ -68,12 +68,14 @@ module.exports.PythonEvaluator = class{
 		// (pyshell callback only happens when process exits voluntarily)
 		this.pyshell.childProcess.on('exit',()=>{
 			restarting = true
+			this.running = false
 			this.startPython()
 		})
 
 		// pyshell has 50 ms to die gracefully
 		var dead = this.pyshell.childProcess.kill()
 		if(!dead) console.info("pyshell refused to die")
+		else this.running = false
 
 		setTimeout(()=>{
 			if(!dead && !restarting){
@@ -82,6 +84,7 @@ module.exports.PythonEvaluator = class{
 				if(!dead){
 					console.error("the python process simply cannot be killed!")
 				}
+				else this.running = false
 			}
 		}, 50)
 	}