2 files changed, 2 insertions, 4 deletions

diff --git a/pyecsca/sca/target/PCSC.py b/pyecsca/sca/target/PCSC.py
index ace59cc..212651b 100644
--- a/pyecsca/sca/target/PCSC.py
+++ b/pyecsca/sca/target/PCSC.py
@@ -22,7 +22,7 @@ class PCSCTarget(ISO7816Target):  # pragma: no cover
                     self.reader = r
                     break
             else:
-                raise ValueError("Reader '{}' not found.".format(reader))
+                raise ValueError(f"Reader '{reader}' not found.")
         else:
             self.reader = reader
         self.connection: PCSCCardConnection = self.reader.createConnection()
diff --git a/pyecsca/sca/target/ectester.py b/pyecsca/sca/target/ectester.py
index e360224..394d86f 100644
--- a/pyecsca/sca/target/ectester.py
+++ b/pyecsca/sca/target/ectester.py
@@ -580,9 +580,7 @@ class ECTesterTarget(ISO7816Target, ABC):  # pragma: no cover
                     version_bytes[2] = 0x39
             else:
                 version_bytes[2] -= 1
-        else:
-            return False
-        return True
+        return False
 
     @staticmethod
     def encode_parameters(