Add webob as a dependency to pyproject

poetry.lock

@@ -928,6 +928,18 @@ optional = false
 python-versions = "*"
 version = "0.5.1"
 
+[[package]]
+category = "main"
+description = "WSGI request and response object"
+name = "webob"
+optional = false
+python-versions = ">=2.7,!=3.0.*,!=3.1.*,!=3.2.*"
+version = "1.8.6"
+
+[package.extras]
+docs = ["Sphinx (>=1.7.5)", "pylons-sphinx-themes"]
+testing = ["pytest (>=3.1.0)", "coverage", "pytest-cov", "pytest-xdist"]
+
 [[package]]
 category = "dev"
 description = "IPython HTML widgets for Jupyter"
@@ -953,7 +965,7 @@ docs = ["sphinx", "jaraco.packaging (>=3.2)", "rst.linker (>=1.9)"]
 testing = ["jaraco.itertools", "func-timeout"]
 
 [metadata]
-content-hash = "d69805c25d0383c09b37a94367a0b11cf73b98b0966fd3253af17d3997896703"
+content-hash = "256b39b0726f0028059bd4d3a895cfe5a0676284c57a7615e6178734caa70227"
 python-versions = "^3.7"
 
 [metadata.files]
@@ -1370,6 +1382,10 @@ webencodings = [
     {file = "webencodings-0.5.1-py2.py3-none-any.whl", hash = "sha256:a0af1213f3c2226497a97e2b3aa01a7e4bee4f403f95be16fc9acd2947514a78"},
     {file = "webencodings-0.5.1.tar.gz", hash = "sha256:b36a1c245f2d304965eb4e0a82848379241dc04b865afcc4aab16748587e1923"},
 ]
+webob = [
+    {file = "WebOb-1.8.6-py2.py3-none-any.whl", hash = "sha256:a3c89a8e9ba0aeb17382836cdb73c516d0ecf6630ec40ec28288f3ed459ce87b"},
+    {file = "WebOb-1.8.6.tar.gz", hash = "sha256:aa3a917ed752ba3e0b242234b2a373f9c4e2a75d35291dcbe977649bd21fd108"},
+]
 widgetsnbextension = [
     {file = "widgetsnbextension-3.5.1-py2.py3-none-any.whl", hash = "sha256:bd314f8ceb488571a5ffea6cc5b9fc6cba0adaf88a9d2386b93a489751938bcd"},
     {file = "widgetsnbextension-3.5.1.tar.gz", hash = "sha256:079f87d87270bce047512400efd70238820751a11d2d8cb137a5a5bdbaf255c7"},