Package requirements.txt and update the dependencies list (#261)

Remove scipy as dependency: it's not being directly used. Add scikit-learn
as a dependency because it's being used. Include requirements.txt on
manifest.in, exclude some files like license_notice.py and .flake8.

Author: santisoler

MANIFEST.in

@@ -4,9 +4,11 @@ prune .github
 prune data
 prune doc
 prune paper
+prune tutorials
 exclude .*.yml
 exclude .*rc
-exclude requirements*.txt
+exclude .flake8
+exclude license_notice.py
 exclude Makefile
 exclude .gitignore
 exclude .gitattributes

doc/install.rst

@@ -20,10 +20,10 @@ Dependencies
 ------------
 
 * `numpy <http://www.numpy.org/>`__
-* `scipy <https://docs.scipy.org/doc/scipy/reference/>`__
 * `pandas <http://pandas.pydata.org/>`__
 * `numba <https://numba.pydata.org/>`__
 * `xarray <https://xarray.pydata.org/>`__
+* `scikit-learn <https://scikit-learn.org>`__
 * `pooch <http://www.fatiando.org/pooch/>`__
 * `verde <http://www.fatiando.org/verde/>`__
 

environment.yml

@@ -7,9 +7,9 @@ dependencies:
   - pip
   - setuptools_scm
   - numpy
-  - scipy
   - pandas
   - numba
+  - scikit-learn
   - pooch>=0.7.0
   - verde>=1.5.0
   - xarray

requirements.txt

@@ -1,6 +1,6 @@
 numpy
-scipy
 pandas
+scikit-learn
 numba
 pooch>=0.7.0
 xarray