diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index f5605c6dec37f88861fdca9244af7ba8f29fde86..86c9856ed4cbbeddfc01bf15aaa451ef96bb21aa 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -99,4 +99,4 @@ pypi:
   script:
    - python3 -m build
   after_script:
-   - python3 -m twine upload --repository-url https://upload.pypi.org/legacy/ --non-interactive -u __token__ -p $pypi_token dist/*
+   - python3 -m twine upload --repository-url https://upload.pypi.org/legacy/ --non-interactive --verbose -u __token__ -p $pypi_token dist/*
diff --git a/dinamis_sdk/auth.py b/dinamis_sdk/auth.py
index 87b6dd3c7288948dd20e90c2af0c8f2f1e74fdae..40b71407bd3f99b422d1f34967210bca2b5411ad 100644
--- a/dinamis_sdk/auth.py
+++ b/dinamis_sdk/auth.py
@@ -260,6 +260,7 @@ class TokenServer:
         session.mount("https://", adapter)
         session.mount("http://", adapter)
         self.endpoint = endpoint
+        log.info("Using Token Server: %s", endpoint)
 
     def get_access_token() -> str:
         return session.get(self.endpoint, timeout=10).json()
diff --git a/dinamis_sdk/utils.py b/dinamis_sdk/utils.py
index 25d8ff9becd472427550517f2939d73d878c0d34..7b990edee46cec27c19db62b6349bc54ecb8ca12 100644
--- a/dinamis_sdk/utils.py
+++ b/dinamis_sdk/utils.py
@@ -17,18 +17,18 @@ def _get_seconds(env_var_name: str) -> int:
     return None
 
 # Signed TTL margin default to 1800 seconds (30 minutes), or env. var.
-ttl_margin_from_env = _get_seconds("DINAMIS_SDK_TTL_MARGIN")
-log.info(
-    "Setting TTL margin from environment variable to %s seconds",
-    ttl_margin_from_env
-)
+if (ttl_margin_from_env := _get_seconds("DINAMIS_SDK_TTL_MARGIN")):
+    log.info(
+        "Setting TTL margin from environment variable to %s seconds",
+        ttl_margin_from_env
+    )
 SIGNED_URL_TTL_MARGIN = ttl_margin_from_env or 1800
 
-SIGNED_URL_DURATION_SECONDS = _get_seconds("DINAMIS_SDK_DURATION_SECONDS")
-log.info(
-    "Setting duration seconds from environment variable to %s seconds",
-    SIGNED_URL_DURATION_SECONDS
-)
+if (SIGNED_URL_DURATION_SECONDS := _get_seconds("DINAMIS_SDK_DURATION_SECONDS")):
+    log.info(
+        "Setting duration seconds from environment variable to %s seconds",
+        SIGNED_URL_DURATION_SECONDS
+    )
 
 MAX_URLS = 64
 S3_STORAGE_DOMAIN = "meso.umontpellier.fr"