Fix data checkpointing · aakankshaduggal/sdg@a8aadf5

Process completed with exit code 3.

Process completed with exit code 28.

Process completed with exit code 1.

W0718: Catching too general exception Exception (broad-exception-caught)

W0221: Number of parameters was 2 in 'Block._validate' and is now 3 in overriding 'ConditionalLLMBlock._validate' method (arguments-differ)

W0621: Redefining name 'logger' from outer scope (line 43) (redefined-outer-name)

W0612: Unused variable 'name' (unused-variable)