"co"># [&lt;R call 39&gt;: tryCatchList(expr, classes, parentenv, handlers)] </span>
<span class="co"># [&lt;R call 40&gt;: tryCatch(withCallingHandlers({]</span>
<span class="co">#&gt;   [[node Assert_1/AssertGuard/Assert (defined at /framework/ops.py:1748) ]]</span>
<span class="co">#&gt; </span>
<span class="co">#&gt; Detailed traceback:</span>
<span class="co">#&gt;   File "/home/tomasz/.local/share/r-miniconda/envs/tf-v1/lib/python3.7/site-packages/tensorflow_core/python/client/session.py", line 956, i