diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index d5f4ce0..21b8495 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -10,4 +10,8 @@ sphinx:
 
 python:
    install:
-     - requirements: docs/requirements.txt
+    - requirements: docs/requirements.txt
+    - method: pip
+      path: .
+      extra_requirements:
+        - all
diff --git a/src/anemoi/utils/grib.py b/src/anemoi/utils/grib.py
index 79db504..55c6f25 100644
--- a/src/anemoi/utils/grib.py
+++ b/src/anemoi/utils/grib.py
@@ -44,8 +44,10 @@ def shortname_to_paramid(shortname: str) -> int:
     int
         Parameter id.
 
+
     >>> shortname_to_paramid("2t")
     167
+
     """
     return _search(shortname)["id"]
 
@@ -63,7 +65,9 @@ def paramid_to_shortname(paramid: int) -> str:
     str
         Parameter shortname.
 
+
     >>> paramid_to_shortname(167)
     '2t'
+
     """
     return _search(str(paramid))["shortname"]