fix: resolve lint and startup issues in normalizers

Author: lankovas

src/nomad_cau_plugin/measurements/__init__.py

@@ -1,11 +1,12 @@
 from nomad.config.models.plugins import SchemaPackageEntryPoint
 
-from nomad_cau_plugin.measurements.CaP_experiments import m_package as m_package_mro004
-from nomad_cau_plugin.measurements.MRO005 import m_package as m_package_mro005
-
 
 class MRO005SchemaPackageEntryPoint(SchemaPackageEntryPoint):
     def load(self):
+        from nomad_cau_plugin.measurements.MRO005 import (  # noqa: PLC0415
+            m_package as m_package_mro005,
+        )
+
         return m_package_mro005
 
 
@@ -17,6 +18,10 @@ def load(self):
 
 class MRO004SchemaPackageEntryPoint(SchemaPackageEntryPoint):
     def load(self):
+        from nomad_cau_plugin.measurements.CaP_experiments import (  # noqa: PLC0415
+            m_package as m_package_mro004,
+        )
+
         return m_package_mro004