```Traceback (most recent call last):


 "save_load_test.py", line 25, in <module>

results = runPredictionByConfig(trajectories, config, save_dir)


 "/Prediction/run_prediction.py", line 83, in runTrajectoryPredictionByConfig

verbose=config.getint('general', 'verbose'))


 "/Prediction/run_prediction.py", line 192, in runTrajectoryPrediction

'mean_squared_displacement': mean_squared_displacement})


 "/.local/lib/python2.7/site-packages/keras/models.py", line 140, in load_model

model = model_from_config(model_config, custom_objects=custom_objects)


 "/.local/lib/python2.7/site-packages/keras/models.py", line 189, in model_from_config

return layer_from_config(config, custom_objects=custom_objects)


 "/.local/lib/python2.7/site-packages/keras/utils/layer_utils.py", line 34, in layer_from_config

return layer_class.from_config(config['config'])


 "/.local/lib/python2.7/site-packages/keras/engine/topology.py", line 2398, in from_config

process_layer(layer_data)


 "/.local/lib/python2.7/site-packages/keras/engine/topology.py", line 2395, in process_layer

layer(input_tensors)


 "/.local/lib/python2.7/site-packages/recurrentshop/engine.py", line 531, in __call__

for i in range(len(x[3])):
TypeError: object of type 'TensorVariable' has no len()

Traceback (most recent call last):


 "<string>", line 1, in <module>


 "C:/Users/Sam/AppData/Local/Temp/pip-install-m9w4eb1p/pycryptodome_24d34d4355544668923f0f1504b02763/setup.py", line 448, in <module>

set_compiler_options(package_root, ext_modules)


 "C:/Users/Sam/AppData/Local/Temp/pip-install-m9w4eb1p/pycryptodome_24d34d4355544668923f0f1504b02763/compiler_opt.py", line 304, in set_compiler_options

clang = compiler_is_clang()


 "C:/Users/Sam/AppData/Local/Temp/pip-install-m9w4eb1p/pycryptodome_24d34d4355544668923f0f1504b02763/compiler_opt.py", line 239, in compiler_is_clang

return test_compilation(source, msg="clang")


 "C:/Users/Sam/AppData/Local/Temp/pip-install-m9w4eb1p/pycryptodome_24d34d4355544668923f0f1504b02763/compiler_opt.py", line 68, in test_compilation

compiler = ccompiler.new_compiler()


 "C:/Users/Sam/Downloads/tartube-portable-64bit/tartube/mingw64/lib/python3.8/distutils/ccompiler.py", line 1034, in new_compiler

return klass(None, dry_run, force)


 "C:/Users/Sam/Downloads/tartube-portable-64bit/tartube/mingw64/lib/python3.8/distutils/cygwinccompiler.py", line 310, in __init__

CygwinCCompiler.__init__ (self, verbose, dry_run, force)


 "C:/Users/Sam/Downloads/tartube-portable-64bit/tartube/mingw64/lib/python3.8/distutils/cygwinccompiler.py", line 127, in __init__

if self.ld_version >= "2.10.90":

TypeError: '>=' not supported between instances of 'NoneType' and 'str'
