Traceback (most recent call last):

 "keras1.py", line 53, in <module>
model_from_file.predict_classes(x_val, batch_size=32, verbose=True)

 "/Users/viksit/miniconda2/envs/my-environment/lib/python2.7/site-packages/Keras-1.0.0-py2.7.egg/keras/models.py", line 549, in predict_classes
proba = self.predict(x, batch_size=batch_size, verbose=verbose)

 "/Users/viksit/miniconda2/envs/my-environment/lib/python2.7/site-packages/Keras-1.0.0-py2.7.egg/keras/models.py", line 446, in predict
return self.model.predict(x, batch_size=batch_size, verbose=verbose)AttributeError: 'NoneType' object has no attribute 'predict'
Traceback (most recent call last):


 "/usr/lib/python3.7/site-packages/xonsh/built_ins.py", line 560, in _run_binary

p = self.cls(self.cmd, bufsize=bufsize, **kwargs)


 "/usr/lib/python3.7/site-packages/xonsh/proc.py", line 583, in __init__

*args, stdin=stdin, stdout=stdout, stderr=stderr, **kwargs


 "/usr/lib64/python3.7/subprocess.py", line 775, in __init__

restore_signals, start_new_session)


 "/usr/lib64/python3.7/subprocess.py", line 1522, in _execute_child

raise child_exception_type(errno_num, err_msg, err_filename)

NotFoundError: [Errno 2] No such file or directory: 'ls -l': 'ls -l'
