How to render OpenAI gym in google Colab? [closed]

Korakot’s answer is not correct. You can indeed render OpenAi Gym in colaboratory, albiet kind of slowly using none other than matplotlib. Heres how: Install xvfb & other dependencies (Thanks to Peter for his comment) !apt-get install x11-utils > /dev/null 2>&1 !pip install pyglet > /dev/null 2>&1 !apt-get install -y xvfb python-opengl > /dev/null 2>&1 … Read more

What is “playground mode” in Google’s Colaboratory?

Playground mode opens an ephemeral copy of the notebook that isn’t saved. Typical uses include: Tweaking an existing notebook without cluttering the original. Executing or editing a notebook shared with read-only permissions Without playground mode, these tasks would require creating a copy of the notebook in Drive, which clutters the file list a bit. (Of … Read more

conda environment in google colab [google-colaboratory]

You can activate and run a new conda environment in Google Colab by using the magic %%bash command: %%bash source activate myenv python import sys # some simple python commands sys.path.append(‘/usr/local/lib/python3.6/site-packages’) print(sys.path) print(“Python version”) print(sys.version) Also including a few other commands I needed to run to get my environment setup completely: !conda update conda -y … Read more

RuntimeError: CUDA out of memory. How can I set max_split_size_mb?

The max_split_size_mb configuration value can be set as an environment variable. The exact syntax is documented, but in short: The behavior of caching allocator can be controlled via environment variable PYTORCH_CUDA_ALLOC_CONF. The format is PYTORCH_CUDA_ALLOC_CONF=<option>:<value>,<option2>:<value2>… Available options: … max_split_size_mb prevents the allocator from splitting blocks larger than this size (in MB). This can help prevent … Read more

Ipywidgets with Google Colaboratory

Update 2: core ipywidgets now work in Colab, as do many custom widgets! In particular, the base, controls, FileUpload, Image, and output widgets all work in colab. See https://github.com/googlecolab/colabtools/issues/498 for more details. (Tweaked original answer): ipywidgets don’t Just Work with Colab: we have a different security model, wherein each output is in its own iframe … Read more

ImportError: Cannot load backend ‘TkAgg’ which requires the ‘tk’ interactive framework, as ‘headless’ is currently running

What solved the problem for me was to restart my kernel, import the following first: import matplotlib matplotlib.use(‘TKAgg’) Then, import matplotlib.pyplot as plt You probably imported matplotlib with another framework before you tried to change to TKAgg. Restart your kernel.

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