My lab passed all the test but I am getting failed and this error

Course Q&A Machine Learning Specialization Unsupervised Learning, Recommenders, Reinforcement
1

Cell #UNQ_C1. Can’t compile the student’s code. Error: NameError(“name ‘Dense’ is not defined”)
Traceback (most recent call last):
File “/home/www/app/grading/exceptions.py”, line 112, in handle_solution_errors
yield {}
File “/home/www/app/grading/abstract.py”, line 393, in _grade
context = compiled_code.run(cell_index=cell.index)
File “/home/www/app/grading/submission/compiled_code.py”, line 195, in run
return list(self._code_items.values())[cell_num - 1].run()
File “/home/www/app/grading/submission/compiled_code.py”, line 54, in run
return import_module(self.import_statement, items)
File “/usr/local/lib/python3.7/importlib/init.py”, line 127, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File “”, line 1006, in _gcd_import
File “”, line 983, in _find_and_load
File “”, line 967, in _find_and_load_unlocked
File “”, line 677, in _load_unlocked
File “”, line 728, in exec_module
File “”, line 219, in _call_with_frames_removed
File “/tmp/student_solution_cells/cell_11.py”, line 22, in
Dense(32, activation=‘linear’),
NameError: name ‘Dense’ is not defined

2

Where did you define Dense in your notebook? We usually import tensorflow as tf and then use tf.keras.layers.Dense.

3

ok thanks for the information

4

For future learners, if you encounter error like this

NameError: name ‘Dense’ is not defined

It is most important that you review where you have defined the name in question.