Hack to make Bonobo work with py3.10

setup.py

@@ -26,7 +26,12 @@ except:
     long_description = ''
 
 # Get the classifiers from the classifiers file
-tolines = lambda c: list(filter(None, map(lambda s: s.strip(), c.split('\n'))))
+
+
+def tolines(c): return list(
+    filter(None, map(lambda s: s.strip(), c.split('\n'))))
+
+
 try:
     with open(path.join(here, 'classifiers.txt'), encoding='utf-8') as f:
         classifiers = tolines(f.read())
@@ -49,9 +54,8 @@ setup(
         'bonobo/contrib/jupyter/static/index.js',
         'bonobo/contrib/jupyter/static/index.js.map'
     ])],
-    description=
-    ('Bonobo, a simple, modern and atomic extract-transform-load toolkit for '
-     'python 3.5+.'),
+    description=('Bonobo, a simple, modern and atomic extract-transform-load toolkit for '
+                 'python 3.5+.'),
     license='Apache License, Version 2.0',
     name='bonobo',
     python_requires='>=3.5',
@@ -62,7 +66,7 @@ setup(
     include_package_data=True,
     install_requires=[
         'cached-property ~= 1.4', 'fs ~= 2.0', 'graphviz >= 0.8, < 0.9',
-        'jinja2 ~= 2.9', 'mondrian ~= 0.8', 'packaging ~= 19.0',
+        'jinja2', 'mondrian ~= 0.8', 'packaging',
         'psutil ~= 5.4', 'python-slugify ~= 1.2.0', 'requests ~= 2.0',
         'stevedore ~= 1.27', 'whistle ~= 1.0'
     ],