lexer.ts -> fixed type errors

src/pylex/lexer.ts

@@ -95,7 +95,6 @@ export default class Lexer {
     restart(text ? : string): void {
         this.pos = 0;
         this._currToken = EOFTOKEN; // if no input, already on EOFTOKEN
-        
         if (text) {
             this.textLines = text.split('\n');
             this.next(); // advance to the first token