diff --git a/news/2 Fixes/2380.md b/news/2 Fixes/2380.md
new file mode 100644
index 000000000000..815460e745a0
--- /dev/null
+++ b/news/2 Fixes/2380.md	
@@ -0,0 +1,2 @@
+Fix the regex expression to match MyPy linter messages that expects the file name to have a .py extension, that isn't always the case, to catch any filename.
+E.g., .pyi files that describes interfaces wouldn't get the linter messages to Problems tab.
diff --git a/src/client/linters/mypy.ts b/src/client/linters/mypy.ts
index 5b0930e660bd..3a3f824fd9d5 100644
--- a/src/client/linters/mypy.ts
+++ b/src/client/linters/mypy.ts
@@ -5,7 +5,7 @@ import { IServiceContainer } from '../ioc/types';
 import { BaseLinter } from './baseLinter';
 import { ILintMessage } from './types';
 
-const REGEX = '(?<file>.py):(?<line>\\d+): (?<type>\\w+): (?<message>.*)\\r?(\\n|$)';
+const REGEX = '(?<file>.+):(?<line>\\d+): (?<type>\\w+): (?<message>.*)\\r?(\\n|$)';
 
 export class MyPy extends BaseLinter {
     constructor(outputChannel: OutputChannel, serviceContainer: IServiceContainer) {