diff --git a/.gitignore b/.gitignore
index 12dc56a..8e4ffaf 100644
--- a/.gitignore
+++ b/.gitignore
@@ -47,8 +47,9 @@ htmlcov/
 .cache
 nosetests.xml
 coverage.xml
-*,cover
+*.cover
 .hypothesis/
+.pytest_cache/
 
 # Translations
 *.mo
diff --git a/pylast/__init__.py b/pylast/__init__.py
index 195a649..16dc353 100644
--- a/pylast/__init__.py
+++ b/pylast/__init__.py
@@ -857,8 +857,10 @@ class _Request(object):
         except Exception as e:
             raise MalformedResponseError(self.network, e)
 
-        self._check_response_for_errors(response_text)
-        conn.close()
+        try:
+            self._check_response_for_errors(response_text)
+        finally:
+            conn.close()
         return response_text
 
     def execute(self, cacheable=False):
diff --git a/pytest.ini b/pytest.ini
new file mode 100644
index 0000000..34667c8
--- /dev/null
+++ b/pytest.ini
@@ -0,0 +1,4 @@
+[pytest]
+filterwarnings =
+    once::DeprecationWarning
+    once::PendingDeprecationWarning