connorgoggins opened a new issue #17454: IdentityAttachKLSparseReg - operator 
argument error
URL: https://github.com/apache/incubator-mxnet/issues/17454
 
 
   ## Description
   The 
[docs](https://mxnet.apache.org/api/python/docs/api/symbol/symbol.html#mxnet.symbol.IdentityAttachKLSparseReg)
 for the `IdentityAttachKLSparseReg` operator clearly state that `data` is the 
only required arg, but when running the op with just the `data` arg I encounter 
a mismatch error between the number of inputs and inferred number of inputs 
indicating that the operator expects 2 inputs. This issue also happens when I 
include any or all of the optional args.
   
   Furthermore, I pulled the op's `arg_names` which gave me `['data', 
'sparseness_target', 'penalty', 'momentum’]` - all of which are included in my 
call to the operator which fails.
   
   ### Error Message
   (Paste the complete error message. Please also include stack trace by 
setting environment variable `DMLC_LOG_STACK_TRACE_DEPTH=10` before running 
your script.)
   
   ## To Reproduce
   Open the Python shell. Then:
   1. `import mxnet as mx`
   2. `mx.nd.IdentityAttachKLSparseReg(data=mx.nd.random_uniform(shape=(4)), 
sparseness_target=.1, penalty=.1, momentum=.1)`
   
   The error also appears with any other input shape for data.
   
   ## Environment
   Building MXNet from source, this error occurred on both Mac OS and Ubuntu 
builds with Python3.
   

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