Fix a typo preventing pinfo from working on ids with letter 's'

Author: krassowski

packages/jupyterlab-lsp/src/transclusions/ipython/overrides.spec.ts

@@ -205,6 +205,13 @@ describe('Default IPython overrides', () => {
 
       reverse = line_magics_map.reverse.override_for(override);
       expect(reverse).to.equal('int??');
+
+      override = line_magics_map.override_for('some_func??');
+      expect(override).to.equal(
+        "get_ipython().run_line_magic('pinfo2',  'some_func')"
+      );
+      reverse = line_magics_map.reverse.override_for(override);
+      expect(reverse).to.equal('some_func??');
     });
 
     it('does not override standalone question marks', () => {

packages/jupyterlab-lsp/src/transclusions/ipython/overrides.ts

@@ -42,7 +42,7 @@ function empty_or_escaped(x: string) {
  */
 export const LINE_MAGIC_PREFIX = '^(\\s*|\\s*\\S+\\s*=\\s*)';
 
-export const PYTHON_IDENTIFIER = '([^?s\'"\\(\\)-\\+\\/#]+)';
+export const PYTHON_IDENTIFIER = '([^?\\s\'"\\(\\)-\\+\\/#]+)';
 
 export let overrides: IScopedCodeOverride[] = [
   /**