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How to Fix “module ‘tensorflow’ has no attribute ‘log’” in TensorFlow

Replace TensorFlow’s failing tf.log(x) call with tf.math.log(x) for an element-wise natural logarithm; use the v1 compatibility alias only when it suits your codebase.
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Replace tf.log(x) with tf.math.log(x) to compute the element-wise natural logarithm in TensorFlow. The TensorFlow API also lists tf.compat.v1.log as a compatibility alias. The error has been reported in TensorFlow 2.0 code, but that report is not a complete version-support guide.

Replace tf.log with the documented math operation

Update the call at the point where the error occurs:

result = tf.math.log(x)

TensorFlow documents tf.math.log as computing the natural logarithm of x element-wise. This is the appropriate replacement when your code is intended to use TensorFlow’s math namespace.

Choose the API that matches your codebase

Call When to use it
tf.math.log(x) Use the documented TensorFlow math operation for an element-wise natural logarithm.
tf.compat.v1.log(x) Use the compatibility alias when maintaining code that deliberately uses TensorFlow’s v1 compatibility namespace. The API reference lists this alias.

A community question reporting this exact error describes code running with TensorFlow 2.0 and recommends tf.math.log in place of tf.log. That report provides a useful example, not a complete release-by-release compatibility matrix; check the TensorFlow versions your project supports before choosing an API for shared or older code.

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Check the input if the error changes to a numerical result

tf.math.log computes the natural logarithm, not a logarithm with an arbitrary base. Its documented input types are bfloat16, half, float32, float64, complex64, and complex128. TensorFlow’s API example shows zero mapping to negative infinity. If the replacement call runs but produces unexpected values, inspect the input values and their types.

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Verify the change

  1. Find the failing tf.log(...) call in your code.
  2. Replace it with tf.math.log(...), or with tf.compat.v1.log(...) if the code intentionally uses the v1 compatibility namespace.
  3. Run the affected code again. If the attribute error is gone but the output is unexpected, check the input domain and supported type against the operation’s API reference.

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