Hello! I am trying to export traces via opentracing, which seems to be working! However there is this error in the log a lot

2023-08-17T23:24:59+0000 [ERROR] [runner:diis-model:1] Exception while exporting Span batch.
Traceback (most recent call last):
  File "/usr/src/app/.venv/lib/python3.11/site-packages/opentelemetry/sdk/trace/export/__init__.py", line 368, in _export_batch
    self.span_exporter.export(self.spans_list[:idx])  # type: ignore
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/src/app/.venv/lib/python3.11/site-packages/opentelemetry/exporter/otlp/proto/grpc/trace_exporter/__init__.py", line 141, in export
    return self._export(spans)
           ^^^^^^^^^^^^^^^^^^^
  File "/usr/src/app/.venv/lib/python3.11/site-packages/opentelemetry/exporter/otlp/proto/grpc/exporter.py", line 313, in _export
    self._client.Export(
  File "/usr/src/app/.venv/lib/python3.11/site-packages/grpc/_interceptor.py", line 277, in __call__
    response, ignored_call = self._with_call(
                             ^^^^^^^^^^^^^^^^
  File "/usr/src/app/.venv/lib/python3.11/site-packages/grpc/_interceptor.py", line 332, in _with_call
    return call.result(), call
           ^^^^^^^^^^^^^
  File "/usr/src/app/.venv/lib/python3.11/site-packages/grpc/_interceptor.py", line 171, in result
    raise self._exception
  File "/usr/src/app/.venv/lib/python3.11/site-packages/grpc/_interceptor.py", line 315, in continuation
    response, call = self._thunk(new_method).with_call(
                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/src/app/.venv/lib/python3.11/site-packages/grpc/_channel.py", line 1175, in with_call
    ) = self._blocking(
        ^^^^^^^^^^^^^^^
  File "/usr/src/app/.venv/lib/python3.11/site-packages/grpc/_channel.py", line 1127, in _blocking
    call = self._channel.segregated_call(
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "src/python/grpcio/grpc/_cython/_cygrpc/channel.pyx.pxi", line 524, in grpc._cython.cygrpc.Channel.segregated_call
  File "src/python/grpcio/grpc/_cython/_cygrpc/channel.pyx.pxi", line 394, in grpc._cython.cygrpc._segregated_call
  File "src/python/grpcio/grpc/_cython/_cygrpc/channel.pyx.pxi", line 388, in grpc._cython.cygrpc._segregated_call
  File "src/python/grpcio/grpc/_cython/_cygrpc/channel.pyx.pxi", line 236, in grpc._cython.cygrpc._call
  File "src/python/grpcio/grpc/_cython/_cygrpc/channel.pyx.pxi", line 267, in grpc._cython.cygrpc._call
  File "src/python/grpcio/grpc/_cython/_cygrpc/channel.pyx.pxi", line 107, in grpc._cython.cygrpc._operate
  File "src/python/grpcio/grpc/_cython/_cygrpc/tag.pyx.pxi", line 64, in grpc._cython.cygrpc._BatchOperationTag.prepare
  File "src/python/grpcio/grpc/_cython/_cygrpc/operation.pyx.pxi", line 37, in grpc._cython.cygrpc.SendInitialMetadataOperation.c
  File "src/python/grpcio/grpc/_cython/_cygrpc/metadata.pyx.pxi", line 41, in grpc._cython.cygrpc._store_c_metadata
ValueError: too many values to unpack (expected 2)