diff --git a/dependencies/python_common b/dependencies/python_common
index f0350d256e6d15d9ab089f6bb0ce9c87b5c42243..75a663a7e1ba8ff13c49bcdc62bca8bdb2f2d108 160000
--- a/dependencies/python_common
+++ b/dependencies/python_common
@@ -1 +1 @@
-Subproject commit f0350d256e6d15d9ab089f6bb0ce9c87b5c42243
+Subproject commit 75a663a7e1ba8ff13c49bcdc62bca8bdb2f2d108
diff --git a/nomad/datamodel/metainfo/public.py b/nomad/datamodel/metainfo/public.py
index 99426480983d89d27289d575ce624282b0417cd3..6aa0a345b7a979aa81e3cc6fa0875f560f20857d 100644
--- a/nomad/datamodel/metainfo/public.py
+++ b/nomad/datamodel/metainfo/public.py
@@ -4,6 +4,7 @@ from nomad.metainfo import (  # pylint: disable=unused-import
     MSection, MCategory, Category, Package, Quantity, Section, SubSection, SectionProxy,
     Reference, MEnum
 )
+from elasticsearch_dsl import InnerDoc
 from nomad.metainfo.legacy import LegacyDefinition
 
 
diff --git a/nomad/metainfo/encyclopedia.py b/nomad/metainfo/encyclopedia.py
index 7da971f6d6fdd85004dfdc0057ebf52a2e818851..ff3e8810e672652c67124f9deaccd7f484b38a7d 100644
--- a/nomad/metainfo/encyclopedia.py
+++ b/nomad/metainfo/encyclopedia.py
@@ -1,6 +1,6 @@
 import numpy as np
 from elasticsearch_dsl import InnerDoc
-from nomad.metainfo import MSection, Section, SubSection, Quantity, Reference, MEnum, units
+from nomad.metainfo import MSection, Section, SectionProxy, SubSection, Quantity, Reference, MEnum, units
 from nomad.datamodel.metainfo.public import section_dos, section_k_band