Thanks a lot @enough-analyst-54434 for your reply, I understand now my problem was on NOT set the upper boundary simple smile Adding

<3.8

to the use cases above, Use Case 1 3. If

pants.toml.[python].interpreter_constraints = [">=3.7.11,<3.8"]

, ✅ Use Case 2 2. If

pants.toml.[python].interpreter_constraints = ["==3.7.*"]

, ❌ , as expected because it considers 3.7.0 as you pointed out. 3. If

pants.toml.[python].interpreter_constraints = [">=3.7.11,<3.8"]

, ✅