Fix irresponsible scipy API breakage in patchset version

https://github.com/CamDavidsonPilon/lifelines/pull/726
https://github.com/HIPS/autograd/pull/490

Signed-off-by: Vadim Markovtsev <vadim@sourced.tech>

python/requirements.txt

@@ -10,4 +10,4 @@ hdbscan==0.8.18
 seriate==1.0.0
 fastdtw==0.3.2
 python-dateutil==2.8.0
-lifelines==0.20.4
+lifelines==0.21.3

python/setup.py

@@ -29,7 +29,7 @@ setup(
         "numpy>=1.12.0,<2.0",
         "pandas>=0.20.0,<1.0",
         "PyYAML>=3.0,<5.0",
-        "scipy>=0.19.0,<1.3.0",
+        "scipy>=0.19.0,<1.2.2",
         "protobuf>=3.5.0,<4.0",
         "munch>=2.0,<3.0",
         "hdbscan>=0.8.0,<2.0",