Fixed regex for Pylama output (#18339)

* Fixed regex for pylama output

* added optional error code as it is not reported when using mypy

* added news

Author: nicolamarella

news/2 Fixes/15609.md

@@ -0,0 +1 @@
+Fixes Pylama and MyPy output parsing (thanks [Nicola Marella](https://github.com/nicolamarella))

src/client/linters/pylama.ts

@@ -6,7 +6,7 @@ import { BaseLinter } from './baseLinter';
 import { ILintMessage, LintMessageSeverity } from './types';
 
 const REGEX =
-    '(?<file>.py):(?<line>\\d+):(?<column>\\d+): \\[(?<type>\\w+)\\] (?<code>\\w\\d+):? (?<message>.*)\\r?(\\n|$)';
+    '(?<file>.py):(?<line>\\d+):(?<column>\\d+):? \\[(?<type>\\w+)\\]( (?<code>\\w\\d+)?:?)? (?<message>.*)\\r?(\\n|$)';
 const COLUMN_OFF_SET = 1;
 
 export class PyLama extends BaseLinter {