diff --git a/senju/haiku.py b/senju/haiku.py
index 969eec0..4854319 100644
--- a/senju/haiku.py
+++ b/senju/haiku.py
@@ -48,11 +48,11 @@ class Haiku:
 
                 if len(lines) < 3:
                     if tries < 20:
-                        logging.warning(f"too few lines, trying again")
+                        logging.warning("too few lines, trying again")
                         logging.debug(lines)
                         continue
                     else:
-                        logging.warning(f"too many tries, aborting")
+                        logging.warning("too many tries, aborting")
                         raise Exception(
                             "Generating the haiku took too many tries")
 
diff --git a/tests/test_haiku.py b/tests/test_haiku.py
index d959278..3bd9644 100644
--- a/tests/test_haiku.py
+++ b/tests/test_haiku.py
@@ -5,14 +5,12 @@ from __future__ import annotations
 
 import os
 import json
-import logging
 from pytest_httpserver import HTTPServer
 
 # do not remove this import. This is needed for
 # pytest fixtures to work
 import pytest  # noqa: F401
 
-import senju
 from senju.haiku import Haiku  # noqa: F401
 
 # Note: these weird arguments are an indicator of what should be dome