Relax the pip dependency versions.
Let's not be overbearing in requiring a specific version of python
dependencies. We may have to revisit this over time as breaking
changes are introduced in these dependencies.
absl-py>=0.10.0
deprecated>=1.2.12
-fasteners==0.15
+fasteners>=0.15
# Version should be kept in step with @com_github_grpc_grpc in WORKSPACE.
grpcio>=1.36.0
gym>=0.18.0
humanize>=2.6.0
-networkx==2.5
+networkx>=2.5
numpy>=1.19.3
-protobuf==3.13.0
+protobuf>=3.13.0
pydantic>=1.8.0
requests>=2.24.0
-tabulate==0.8.7
+tabulate>=0.8.7
