Another hotfix to the docs (previous fixed error message only)

Author: krassowski

python_packages/jupyter_lsp/jupyter_lsp/specs/utils.py

@@ -67,7 +67,7 @@ def __call__(self, mgr: LanguageServerManagerAPI) -> KeyedLanguageServerSpecs:
             if cmd:
                 break
 
-        if not self.is_installed(cmd):  # pragma: no cover
+        if not self.is_installed(cmd) and not BUILDING_DOCS:  # pragma: no cover
             return {}
 
         if not cmd and BUILDING_DOCS:  # pragma: no cover