from .core import (CallbackBase, CallbackCounter, print_metadata, collector,
                   LiveMesh, LivePlot, LiveRaster, LiveTable, CollectThenCompute,
                   _get_obj_fields)

from .core import (CallbackBase, CallbackCounter, print_metadata, collector,
                   LiveMesh, LivePlot, LiveRaster, LiveTable, CollectThenCompute,
                   LiveSpecFile, _get_obj_fields)

Add LiveSpecFile to callbacks API.
API: Add LiveSpecFile to callbacks API.

  from .core import (CallbackBase, CallbackCounter, print_metadata, collector,
                     LiveMesh, LivePlot, LiveRaster, LiveTable, CollectThenCompute,
-                    _get_obj_fields)
+                    LiveSpecFile, _get_obj_fields)
  
Add LiveSpecFile to callbacks API.
## Code Before:
from .core import (CallbackBase, CallbackCounter, print_metadata, collector,
                   LiveMesh, LivePlot, LiveRaster, LiveTable, CollectThenCompute,
                   _get_obj_fields)

## Instruction:
Add LiveSpecFile to callbacks API.
## Code After:
from .core import (CallbackBase, CallbackCounter, print_metadata, collector,
                   LiveMesh, LivePlot, LiveRaster, LiveTable, CollectThenCompute,
                   LiveSpecFile, _get_obj_fields)
