[Help] Instalation error

I followed the youtube video (https://www.youtube.com/watch?v=4ewIABo0OkU&list=PL75e0qA87dlEWUA5ToqLLR026wIkk2evk) which unfortunately is a little outdated and the documentation to install Rasa in Anaconda. I run into a few problems regarding the python 3.7 compatibility with the most recent Tensorflow, which I was able to solve. But when I started train my first assistant I got the following error message:

  File "C:\Users\jmesqui\.conda\envs\installingnew\lib\runpy.py", line 197, in _run_module_as_main
    return _run_code(code, main_globals, None,
  File "C:\Users\jmesqui\.conda\envs\installingnew\lib\runpy.py", line 87, in _run_code
    exec(code, run_globals)
  File "C:\Users\jmesqui\.conda\envs\installingnew\Scripts\rasa.exe\__main__.py", line 7, in <module>
  File "C:\Users\jmesqui\.conda\envs\installingnew\lib\site-packages\rasa\__main__.py", line 133, in main
    cmdline_arguments.func(cmdline_arguments)
  File "C:\Users\jmesqui\.conda\envs\installingnew\lib\site-packages\rasa\cli\scaffold.py", line 238, in run
    init_project(args, path)
  File "C:\Users\jmesqui\.conda\envs\installingnew\lib\site-packages\rasa\cli\scaffold.py", line 132, in init_project
    print_train_or_instructions(args)
  File "C:\Users\jmesqui\.conda\envs\installingnew\lib\site-packages\rasa\cli\scaffold.py", line 64, in print_train_or_instructions
    training_result = rasa.train(
  File "C:\Users\jmesqui\.conda\envs\installingnew\lib\site-packages\rasa\api.py", line 103, in train
    from rasa.model_training import train
  File "C:\Users\jmesqui\.conda\envs\installingnew\lib\site-packages\rasa\model_training.py", line 7, in <module>
    import rasa.engine.validation
  File "C:\Users\jmesqui\.conda\envs\installingnew\lib\site-packages\rasa\engine\validation.py", line 20, in <module>
    from rasa.core.policies.policy import PolicyPrediction
  File "C:\Users\jmesqui\.conda\envs\installingnew\lib\site-packages\rasa\core\policies\policy.py", line 26, in <module>
    from rasa.core.featurizers.tracker_featurizers import TrackerFeaturizer
  File "C:\Users\jmesqui\.conda\envs\installingnew\lib\site-packages\rasa\core\featurizers\tracker_featurizers.py", line 24, in <module>
    from rasa.core.featurizers.single_state_featurizer import SingleStateFeaturizer
  File "C:\Users\jmesqui\.conda\envs\installingnew\lib\site-packages\rasa\core\featurizers\single_state_featurizer.py", line 7, in <module>
    from rasa.nlu.extractors.extractor import EntityTagSpec
  File "C:\Users\jmesqui\.conda\envs\installingnew\lib\site-packages\rasa\nlu\extractors\extractor.py", line 30, in <module>
    import rasa.utils.train_utils
  File "C:\Users\jmesqui\.conda\envs\installingnew\lib\site-packages\rasa\utils\train_utils.py", line 31, in <module>
    from rasa.utils.tensorflow.callback import RasaTrainingLogger, RasaModelCheckpoint
  File "C:\Users\jmesqui\.conda\envs\installingnew\lib\site-packages\rasa\utils\tensorflow\callback.py", line 13, in <module>
    class RasaTrainingLogger(tf.keras.callbacks.Callback):
AttributeError: module 'tensorflow' has no attribute 'keras'