File "pandas/_libs/hashtable_class_helper.pxi", line 1607, in pandas._libs.hashtable.PyObjectHashTable.get_item
  File "pandas/_libs/hashtable_class_helper.pxi", line 1614, in pandas._libs.hashtable.PyObjectHashTable.get_item
KeyError: 'import'
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
  File "/data100t1/gapps/MetaXcan/software/MulTiXcan.py", line 102, in <module>
    run(args)
  File "/data100t1/gapps/MetaXcan/software/MulTiXcan.py", line 47, in run
    r = MultiPrediXcanAssociation.multi_predixcan_association(gene, context, callbacks.values())
  File "/data100t1/gapps/MetaXcan/software/metax/predixcan/MultiPrediXcanAssociation.py", line 165, in multi_predixcan_association
    model_keys, e_ = _acquire(gene_, context)
  File "/data100t1/gapps/MetaXcan/software/metax/predixcan/MultiPrediXcanAssociation.py", line 100, in _acquire
    e = context.expression_for_gene(gene)
  File "/data100t1/gapps/MetaXcan/software/metax/predixcan/Utilities.py", line 40, in expression_for_gene
    return self.expression.expression_for_gene(gene)
  File "/data100t1/gapps/MetaXcan/software/metax/expression/PlainTextExpression.py", line 22, in expression_for_gene
    d = {model:self.d[model][gene].values for model in sorted(m_.keys())}
  File "/data100t1/gapps/MetaXcan/software/metax/expression/PlainTextExpression.py", line 22, in <dictcomp>
    d = {model:self.d[model][gene].values for model in sorted(m_.keys())}
  File "/data100t1/home/hannah/.conda/envs/predixcan/lib/python3.7/site-packages/pandas/core/frame.py", line 2995, in __getitem__
    indexer = self.columns.get_loc(key)
  File "/data100t1/home/hannah/.conda/envs/predixcan/lib/python3.7/site-packages/pandas/core/indexes/base.py", line 2899, in get_loc
    return self._engine.get_loc(self._maybe_cast_indexer(key))
  File "pandas/_libs/index.pyx", line 107, in pandas._libs.index.IndexEngine.get_loc
  File "pandas/_libs/index.pyx", line 131, in pandas._libs.index.IndexEngine.get_loc
  File "pandas/_libs/hashtable_class_helper.pxi", line 1607, in pandas._libs.hashtable.PyObjectHashTable.get_item
  File "pandas/_libs/hashtable_class_helper.pxi", line 1614, in pandas._libs.hashtable.PyObjectHashTable.get_item
KeyError: 'import'