diff --git a/.github/workflows/test-and-release.yml b/.github/workflows/test-and-release.yml
index 43d18124..c206225b 100644
--- a/.github/workflows/test-and-release.yml
+++ b/.github/workflows/test-and-release.yml
@@ -81,11 +81,12 @@ jobs:
 
       run: |
         import os
-        for n in ('ECMWFAPIRC', 'CDSAPIRC'):
-            m = os.path.expanduser("~/." + n.lower())
-            if os.environ[n]:
-                with open(m, "w") as f:
-                    print(os.environ[n], file=f)
+        # for n in ('ECMWFAPIRC', 'CDSAPIRC'):
+        n = 'ECMWFAPIRC'
+        m = os.path.expanduser("~/." + n.lower())
+        if os.environ[n]:
+            with open(m, "w") as f:
+                print(os.environ[n], file=f)
     - run: mkdir test-data
     - run: echo "dataA" > test-data/dataA.txt
     - run: echo "dataB" > test-data/dataB.txt
diff --git a/climetlab/core/__init__.py b/climetlab/core/__init__.py
index 347b0d2d..a033504b 100644
--- a/climetlab/core/__init__.py
+++ b/climetlab/core/__init__.py
@@ -137,7 +137,7 @@ def cube(self, *args, **kwargs):
     def get_metadata(self, i):
         return self[i].metadata()
 
-    def unique_values(self, *coords, remapping=None, patches=None, progress_bar=True):
+    def unique_values(self, *coords, remapping=None, patches=None, progress_bar=False):
         """
         Given a list of metadata attributes, such as date, param, levels,
         returns the list of unique values for each attributes
@@ -166,7 +166,7 @@ def unique_values(self, *coords, remapping=None, patches=None, progress_bar=True
 
         return dic
 
-    def combinations(self, *coords, progress_bar=True):
+    def combinations(self, *coords, progress_bar=False):
         assert all(isinstance(k, str) for k in coords), coords
 
         iterable = self
diff --git a/climetlab/version b/climetlab/version
index 144996ed..6dd46024 100644
--- a/climetlab/version
+++ b/climetlab/version
@@ -1 +1 @@
-0.20.3
+0.20.4