diff --git a/libs/wrapper/power.py b/libs/wrapper/power.py
index 9af1bf9..e3118a9 100644
--- a/libs/wrapper/power.py
+++ b/libs/wrapper/power.py
@@ -125,7 +125,7 @@ class ThermalCapWrapper:
     @property
     def cap(self) -> ThermalCap:
         if isinstance(self.__cap, ThermalCap): return self.__cap
-        raise TypeError(f"{self.__cap=} ({type(self.__cap)=} is not a ThermalCap)")
+        raise TypeError(f"{self.__cap=} ({type(self.__cap)=}) is not a ThermalCap)")
 
     @cap.setter
     def cap(self, value: ThermalCap | str):
@@ -264,12 +264,12 @@ class SteamTurbineWrapper:
     @property
     def turbine(self) -> SteamTurbine:
         if isinstance(self.__turbine, SteamTurbine): return self.__turbine
-        raise TypeError(f"{self.__turbine=} ({type(self.__turbine)=} is not a SteamTurbine)")
+        raise TypeError(f"{self.__turbine=} ({type(self.__turbine)=}) is not a SteamTurbine)")
 
     @turbine.setter
     def turbine(self, value: SteamTurbine | str):
         if isinstance(value, str): value = get_component(value)
-        if not isinstance(value, SteamTurbine): raise TypeError(f"{self.__turbine=} ({type(self.__turbine)=} is not a SteamTurbine)")
+        if not isinstance(value, SteamTurbine): raise TypeError(f"{self.__turbine=} ({type(self.__turbine)=}) is not a SteamTurbine)")
         self.__turbine = value
 
     @property
@@ -285,7 +285,7 @@ class SteamTurbineWrapper:
     @threshold.setter
     def threshold(self, value: int):
         if not isinstance(value, int) or not 0 < value < 100:
-            warn(f"set threshold: {value=} ({type(value)=} is not a int, use {self.default_threshold=}")
+            warn(f"set threshold: {value=} ({type(value)=}) is not a int, use {self.default_threshold=}")
             self.__threshold = self.default_threshold
             return
         self.__threshold = value            
@@ -307,5 +307,5 @@ class SteamTurbineWrapper:
         if isinstance(value, list): 
             self.__storages = [ s for s in value if isinstance(s, GasTank) ]
             return
-        warn(f"set storages: given {value=} ({type(value)=} has incorrect type, use default.")
+        warn(f"set storages: given {value=} ({type(value)=}) has incorrect type, use default.")
         self.__storages = self.get_local_storages()