check if fintech lib is installed

account_ebics/__init__.py

@@ -1,2 +1,9 @@
-from . import models
-from . import wizards
+import logging
+
+_logger = logging.getLogger(__name__)
+
+try:
+    from . import models
+    from . import wizards
+except Exception:
+    _logger.warning("Import Error, check if fintech lib has been installed")