bcolz | Python Package Wiki

Based on how often these packages appear together in public requirements.txt files on GitHub.

numexpr	Fast numerical expression evaluator for NumPy
h2o	H2O, Fast Scalable Machine Learning, for python
tables	Hierarchical datasets for Python
toolz	List processing tools and functional utilities
bokeh	Interactive plots and applications in the browser from Python
numba	compiling Python code using LLVM
patsy	A Python package for describing statistical models and for building design matrices.
multipledispatch	Multiple dispatch
cytoolz	Cython implementation of Toolz: High performance functional utilities
xlrd	Library for developers to extract data from Microsoft Excel (tm) spreadsheet files
llvmlite	lightweight wrapper around basic LLVM functionality
blaze	Blaze
dask	Parallel PyData with Task Scheduling
odo	Data migration utilities
Bottleneck	Fast NumPy array functions written in C
conda	OS-agnostic, system-level binary package manager.
cloudpickle	Extended pickling support for Python objects
partd	Appendable key-value storage
locket	File-based locks for Python for Linux and Windows

Proportion of downloaded versions in the last 3 months (only versions over 1%).

pip install bcolz==1.2.1