Remove f-prefix from strings that don't use formatting

bitsandbytes/optim/lars.py

@@ -25,7 +25,7 @@ class LARS(Optimizer1State):
     ):
         if momentum == 0:
             raise NotImplementedError(
-                f"LARS without momentum is not supported!"
+                "LARS without momentum is not supported!"
             )
         super().__init__(
             "lars",
@@ -59,7 +59,7 @@ class LARS8bit(Optimizer1State):
     ):
         if momentum == 0:
             raise NotImplementedError(
-                f"LARS without momentum is not supported!"
+                "LARS without momentum is not supported!"
             )
         super().__init__(
             "lars",
@@ -93,7 +93,7 @@ class LARS32bit(Optimizer1State):
     ):
         if momentum == 0:
             raise NotImplementedError(
-                f"LARS without momentum is not supported!"
+                "LARS without momentum is not supported!"
             )
         super().__init__(
             "lars",

bitsandbytes/optim/optimizer.py

@@ -282,11 +282,11 @@ class Optimizer8bit(torch.optim.Optimizer):
         return config
 
     def init_state(self, group, p, gindex, pindex):
-        raise NotImplementedError(f"init_state method needs to be overidden")
+        raise NotImplementedError("init_state method needs to be overidden")
 
     def update_step(self, group, p, gindex, pindex):
         raise NotImplementedError(
-            f"The update_step method needs to be overidden"
+            "The update_step method needs to be overidden"
         )
 
 

bitsandbytes/optim/rmsprop.py

@@ -23,10 +23,10 @@ class RMSprop(Optimizer1State):
     ):
         if alpha == 0:
             raise NotImplementedError(
-                f"RMSprop with alpha==0.0 is not supported!"
+                "RMSprop with alpha==0.0 is not supported!"
             )
         if centered:
-            raise NotImplementedError(f"Centered RMSprop is not supported!")
+            raise NotImplementedError("Centered RMSprop is not supported!")
         super().__init__(
             "rmsprop",
             params,
@@ -59,10 +59,10 @@ class RMSprop8bit(Optimizer1State):
     ):
         if alpha == 0:
             raise NotImplementedError(
-                f"RMSprop with alpha==0.0 is not supported!"
+                "RMSprop with alpha==0.0 is not supported!"
             )
         if centered:
-            raise NotImplementedError(f"Centered RMSprop is not supported!")
+            raise NotImplementedError("Centered RMSprop is not supported!")
         super().__init__(
             "rmsprop",
             params,
@@ -96,10 +96,10 @@ class RMSprop32bit(Optimizer1State):
 
         if alpha == 0:
             raise NotImplementedError(
-                f"RMSprop with alpha==0.0 is not supported!"
+                "RMSprop with alpha==0.0 is not supported!"
             )
         if centered:
-            raise NotImplementedError(f"Centered RMSprop is not supported!")
+            raise NotImplementedError("Centered RMSprop is not supported!")
         super().__init__(
             "rmsprop",
             params,

bitsandbytes/optim/sgd.py

@@ -21,7 +21,7 @@ class SGD(Optimizer1State):
         block_wise=True,
     ):
         if momentum == 0:
-            raise NotImplementedError(f"SGD without momentum is not supported!")
+            raise NotImplementedError("SGD without momentum is not supported!")
         super().__init__(
             "momentum",
             params,
@@ -52,7 +52,7 @@ class SGD8bit(Optimizer1State):
         block_wise=True,
     ):
         if momentum == 0:
-            raise NotImplementedError(f"SGD without momentum is not supported!")
+            raise NotImplementedError("SGD without momentum is not supported!")
         super().__init__(
             "momentum",
             params,
@@ -83,7 +83,7 @@ class SGD32bit(Optimizer1State):
         block_wise=True,
     ):
         if momentum == 0:
-            raise NotImplementedError(f"SGD without momentum is not supported!")
+            raise NotImplementedError("SGD without momentum is not supported!")
         super().__init__(
             "momentum",
             params,