Hack to make Bonobo work with py3.10

Projectfile

@@ -45,9 +45,9 @@ python.add_requirements(
     'cached-property ~=1.4',
     'fs ~=2.0',
     'graphviz >=0.8,<0.9',
-    'jinja2 ~=2.9',
+    'jinja2',
     'mondrian ~=0.8',
-    'packaging ~=19.0',
+    'packaging',
     'psutil ~=5.4',
     'python-slugify ~=1.2.0',
     'requests ~=2.0',
@@ -74,7 +74,7 @@ python.add_requirements(
 @listen(make.on_generate)
 def on_make_generate(event):
     makefile = event.makefile
-    
+
     # Sphinx
     makefile['SPHINX_AUTOBUILD'] = '$(PYTHON_DIRNAME)/sphinx-autobuild'
     makefile.add_target(
@@ -95,7 +95,4 @@ def on_make_generate(event):
     )
 
 
-
-
-
 # vim: ft=python: