Format backend.pxd

Author: sommerlukas

dpctl/_backend.pxd

@@ -473,7 +473,8 @@ cdef extern from "syclinterface/dpctl_sycl_usm_interface.h":
 cdef extern from "syclinterface/dpctl_sycl_extension_interface.h":
     cdef struct RawWorkGroupMemoryTy
     ctypedef RawWorkGroupMemoryTy RawWorkGroupMemory
-    
+
+
     cdef struct DPCTLOpaqueWorkGroupMemory
     ctypedef DPCTLOpaqueWorkGroupMemory *DPCTLSyclWorkGroupMemoryRef;
 
@@ -483,5 +484,3 @@ cdef extern from "syclinterface/dpctl_sycl_extension_interface.h":
         DPCTLSyclWorkGroupMemoryRef Ref);
 
     cdef bint DPCTLWorkGroupMemory_Available();
-
-