fix start in iterative scheduler, so the step will be calculated from…

… this value

pruning/architecture/pruning_methods/schedulers.py

@@ -26,16 +26,23 @@ def __iter__(self) -> Generator[list[float], None, None]:
 
 
 class IterativeStepScheduler(BasePruningStepScheduler):
-    def __iter__(self) -> Generator[float, None, None]:
+    def __iter__(self) -> Generator[list[float], None, None]:
         nonpruned_percent = 1
 
         if self.start != 0:
             yield [self.start]
             nonpruned_percent -= round(self.start * nonpruned_percent, 8)
-
+            dummy_one = 1
+
         # stop if pruned more than target pruning percentage - 0.1%
         while nonpruned_percent - (1 - self.end) > 0.001:
-            current_step = round(self.step * nonpruned_percent, 8)
+            if self.start != 0:
+                current_step = round(self.step * dummy_one, 8)
+                dummy_one -= current_step
+                dummy_one = round(dummy_one, 8)
+            else:    
+                current_step = round(self.step * nonpruned_percent, 8)
+
             nonpruned_percent -= current_step
             nonpruned_percent = round(nonpruned_percent, 8)