* [Py] Added operators GroupConvolution and RNNCell to Pythpn API

* [Py] Removed code unrealated to branch.

* [Py] Undo removed test.

* [Py] Added removed decorator.

* [Py] Code formatting.

* [Py] Added ops to documentation's list.

* [Py] Added skipped file.

* [Py] Code formatting.

* [Py] Code formatting.

* Revert "Merge branch 'master' into etusien/GroupConv_RNNCell"

This reverts commit a1848ea48916b293d5260869b2a52827bea21981, reversing
changes made to 6a60068abf8e5391bf875ee22573eb1aa388b047.

* [Py] Reverted changes.

* [Py] Changed imports' list

* [Py] Added missed imports.

* [Py] Added operators GroupConvolution and RNNCell to Pythpn API

* [Py] Removed code unrealated to branch.

* [Py] Undo removed test.

* [Py] Added removed decorator.

* [Py] Added ops to documentation's list.

* [Py] Added skipped file.

* [Py] Code formatting.

* [Py] Code formatting.

* [Py] Reverted changes.

* Revert "Revert "Merge branch 'master' into etusien/GroupConv_RNNCell""

This reverts commit 9c46ce5d289dadc4979e4712c79fff84bb538652.

* [Py] Reverted changes.

* [Py] Code formatting.

* [Py] Code formatting.

* [Py] Added PadType to Group Conv op.