updated requirements.txt

requirements.txt

@@ -6,21 +6,22 @@ pandas==1.0.1
 requests==2.23.0
 pytest==5.3.5
 pytest-lazy-fixture==0.6.3
-pytest-cov
-pytest-html
-pydot
-mock
-statsmodels
-seaborn
+pytest-cov==2.8.1
+pytest-html==2.0.1
+pydot==1.4.1
+mock==4.0.0
+statsmodels==0.11.0
+seaborn==0.10.0
 dask==2.11.0
-toolz  # for dask
-cloudpickle  # for dask
+toolz==0.10.0  # for dask
+cloudpickle==1.2.2  # for dask
 cython==0.29.15
-pyshp
-six
-pyproj
-shapely
+pyshp==2.1.0
+six==1.14.0
+pyproj==2.4.2.post1
+shapely==1.7.0
 Cartopy==0.17.0
-matplotlib
-pillow
-scipy
\ No newline at end of file
+matplotlib==3.1.3
+pillow==7.0.0
+scipy==1.4.1
+fsspec==0.6.2
\ No newline at end of file