diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 221d62ef4d5756f0030e8360dea3f89bb41d782e..c4d80d94d1308bfad3f44ff85a3625908c826817 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -17,7 +17,7 @@ test_docker:
     rules:
         - if: '$CI_COMMIT_TAG == null'
 
-deploy to testpypi:
+deploy-to-testpypi:
   stage: deploy_test
   image: python:3.8
   tags:
@@ -29,7 +29,7 @@ deploy to testpypi:
     - python setup.py sdist bdist_wheel
     - twine upload -u "__token__" -p "$PYPI_TEST_PASSWORD" --repository-url https://test.pypi.org/legacy/ --skip-existing dist/*
 
-install from testpypi:
+install-from-testpypi:
   stage: test_install
   image: python:3.8
   tags:
@@ -44,7 +44,7 @@ install from testpypi:
     paths:
       - "*.log"
 
-deploy to pypi:
+deploy-to-pypi:
   stage: deploy_prod
   image: python:3.8
   only:
diff --git a/enstools/encoding/variable_encoding.py b/enstools/encoding/variable_encoding.py
index 33219a7278c9fa0d395562313aacb481583d2789..9691946ba61637432764fe29a062d1cde18c02c8 100644
--- a/enstools/encoding/variable_encoding.py
+++ b/enstools/encoding/variable_encoding.py
@@ -1,4 +1,3 @@
-from abc import ABC
 
 from .definitions import lossy_compressors_and_modes
 import logging
@@ -69,6 +68,19 @@ class Encoding(_Mapping):
         """
         self._kwargs["chunksizes"] = chunk_sizes
 
+    def set_chunk_sizes(self, chunk_sizes: tuple) -> None:
+        """
+        Method to add chunksizes into the encoding dictionary.
+        Parameters
+        ----------
+        chunk_sizes
+
+        Returns
+        -------
+
+        """
+        self._kwargs["chunksizes"] = chunk_sizes
+
 
 class VariableEncoding(_Mapping):
     """
@@ -98,6 +110,7 @@ class VariableEncoding(_Mapping):
     >>> VariableEncoding(backend="snappy", compression_level=9)
 
     """
+
     def __new__(cls,
                 specification: str = None,
                 compressor: str = None,
@@ -265,48 +278,6 @@ def parse_variable_specification(var_spec: str) -> Encoding:
         raise InvalidCompressionSpecification(f"Invalid specification {var_spec!r}")
 
 
-# class VariableEncoding(_Mapping):
-#     """
-#     Class to encapsulate compression specification parameters for a single variable.
-#
-#     It stores the compressor, the mode and the parameter.
-#
-#     It has a method to create a new instance from a specification string,
-#     a method to get the corresponding specification string from an existing object
-#     and a method to obtain the corresponding mapping expected by h5py.
-#
-#     """
-#
-#     def __init__(self, specification: Specification):
-#         # Init basic components
-#         self.specification = specification
-#
-#         self._kwargs = self.filter_mapping()
-#
-#     @staticmethod
-#     def from_string(string: str) -> 'VariableEncoding':
-#         specification = parse_variable_specification(string)
-#         """
-#         Method to create a specification object from a specification string
-#         """
-#         return VariableEncoding(specification)
-#
-#     def to_string(self) -> str:
-#         """
-#         Method to obtain a specification string from a specification object
-#         """
-#         return self.specification.to_string()
-#
-#     def filter_mapping(self) -> Mapping:
-#         """
-#         Method to get the corresponding FilterRefBase expected by h5py/xarray
-#         """
-#
-#         return self.specification.encoding()
-#
-#     def description(self):
-#         self.specification.description()
-
 def get_variable_encoding(
         specification: str = None,
         compressor: str = None,