diff --git a/qupsy/spec.py b/qupsy/spec.py
index c4e769e..3109e6b 100644
--- a/qupsy/spec.py
+++ b/qupsy/spec.py
@@ -37,12 +37,15 @@ def __str__(self) -> str:
             testcases_string.append(
                 f"        ( Input: {input_str},\n         Output: {output_str}),"
             )
-        return f"""Spec(
-    gates: [{", ".join(map(lambda g: g.__name__, self.gates))}],
+        return """Spec(
+    gates: [{}],
     testcases: [
-{"\n".join(testcases_string)}
+{}
     ],
-)"""
+)""".format(
+            ", ".join(map(lambda g: g.__name__, self.gates)),
+            "\n".join(testcases_string),
+        )
 
 
 def make_spec(data: SpecData) -> Spec:
diff --git a/qupsy/utils.py b/qupsy/utils.py
index ed31bb2..3efa873 100644
--- a/qupsy/utils.py
+++ b/qupsy/utils.py
@@ -1,26 +1,10 @@
 import logging
-import os
 
 from rich.console import Console
 from rich.logging import RichHandler
 
 console = Console()
-
-
-_log_level = os.environ.get("LOG_LEVEL")
-if _log_level is not None:
-    _log_level = _log_level.upper()
-    _log_level = logging.getLevelNamesMapping()[_log_level]
-
-
-_hander = RichHandler(
-    console=console,
-    show_path=_log_level is not None and _log_level == logging.DEBUG,
-)
-
+_hander = RichHandler(console=console, show_path=False)
 _hander.setFormatter(logging.Formatter(fmt="%(message)s", datefmt="[%X]"))
-
 logger = logging.getLogger("quspy")
 logger.addHandler(_hander)
-if _log_level is not None:
-    logger.setLevel(_log_level)