Fix type-checking, codestyle and update EFD.

1 files changed, 2 insertions, 2 deletions

diff --git a/pyecsca/misc/cfg.py b/pyecsca/misc/cfg.py
index b1c4007..1c1d214 100644
--- a/pyecsca/misc/cfg.py
+++ b/pyecsca/misc/cfg.py
@@ -100,7 +100,7 @@ class ECConfig(object):
     @mod_implementation.setter
     def mod_implementation(self, value: str):
         if value not in ("python", "gmp"):
-            raise ValueError(f"Bad Mod implementaiton, can be one of 'python' or 'gmp'.")
+            raise ValueError("Bad Mod implementaiton, can be one of 'python' or 'gmp'.")
         self._mod_implementation = value
 
 
@@ -142,4 +142,4 @@ class TemporaryConfig(object):
         return self.new_config
 
     def __exit__(self, t, v, tb):
-        resetconfig(self.token)
\ No newline at end of file
+        resetconfig(self.token)