import for FlowMatchLCMScheduler (#11318)

* add

* fix-copies

src/diffusers/__init__.py

@@ -860,6 +860,7 @@ if TYPE_CHECKING or DIFFUSERS_SLOW_IMPORT:
             EulerDiscreteScheduler,
             FlowMatchEulerDiscreteScheduler,
             FlowMatchHeunDiscreteScheduler,
+            FlowMatchLCMScheduler,
             HeunDiscreteScheduler,
             IPNDMScheduler,
             KarrasVeScheduler,

src/diffusers/schedulers/__init__.py

@@ -60,6 +60,7 @@ else:
     _import_structure["scheduling_euler_discrete"] = ["EulerDiscreteScheduler"]
     _import_structure["scheduling_flow_match_euler_discrete"] = ["FlowMatchEulerDiscreteScheduler"]
     _import_structure["scheduling_flow_match_heun_discrete"] = ["FlowMatchHeunDiscreteScheduler"]
+    _import_structure["scheduling_flow_match_lcm"] = ["FlowMatchLCMScheduler"]
     _import_structure["scheduling_heun_discrete"] = ["HeunDiscreteScheduler"]
     _import_structure["scheduling_ipndm"] = ["IPNDMScheduler"]
     _import_structure["scheduling_k_dpm_2_ancestral_discrete"] = ["KDPM2AncestralDiscreteScheduler"]
@@ -161,6 +162,7 @@ if TYPE_CHECKING or DIFFUSERS_SLOW_IMPORT:
         from .scheduling_euler_discrete import EulerDiscreteScheduler
         from .scheduling_flow_match_euler_discrete import FlowMatchEulerDiscreteScheduler
         from .scheduling_flow_match_heun_discrete import FlowMatchHeunDiscreteScheduler
+        from .scheduling_flow_match_lcm import FlowMatchLCMScheduler
         from .scheduling_heun_discrete import HeunDiscreteScheduler
         from .scheduling_ipndm import IPNDMScheduler
         from .scheduling_k_dpm_2_ancestral_discrete import KDPM2AncestralDiscreteScheduler

src/diffusers/utils/dummy_pt_objects.py

@@ -1763,6 +1763,21 @@ class FlowMatchHeunDiscreteScheduler(metaclass=DummyObject):
         requires_backends(cls, ["torch"])
 
 
+class FlowMatchLCMScheduler(metaclass=DummyObject):
+    _backends = ["torch"]
+
+    def __init__(self, *args, **kwargs):
+        requires_backends(self, ["torch"])
+
+    @classmethod
+    def from_config(cls, *args, **kwargs):
+        requires_backends(cls, ["torch"])
+
+    @classmethod
+    def from_pretrained(cls, *args, **kwargs):
+        requires_backends(cls, ["torch"])
+
+
 class HeunDiscreteScheduler(metaclass=DummyObject):
     _backends = ["torch"]