John-Boik opened a new issue #9838: fail with parameters of size 1, tuple issue URL: https://github.com/apache/incubator-mxnet/issues/9838 I apologize in advance for creating an issue with little documentation to support it. But I have seen this problem with a new install of version 1.0.0 as recently as a week ago. In essence, code in gluon/parameters.py seems to choke when a parameter is of size (1,). For example, a call to net.params.get() like the following will throw an error: `net.params.get('some_name', init= mx.init.Zero(), shape=(1,))` In these cases, in parameters.py, self._shape is not a tuple, so subsequent calls to zip() and other functions fail. The fix I used was to make the following changes in gluon/parameters.py: near line 151: ``` # the following two lines replace self._shape with a tuple if isinstance(self._shape, tuple)==False: self._shape = (self._shape,) assert len(self._shape) == len(new_shape) and \ ``` similarly near line 196: ``` if isinstance(self._shape, tuple)==False: self._shape = (self._shape,) for self_dim, data_dim in zip(self.shape, data.shape): ``` similarly near line 121: ``` def __repr__(self): if isinstance(self._shape, tuple)==False: self._shape = (self._shape,) s = 'Parameter {name} (shape={shape}, dtype={dtype})' ``` John
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