Random /bin/bash: PYTHON3: command not found in output

[mithro]

See below;

Step #1: INFO: From OpenROAD tests/verilog_adder-asap7-sc7p5t_rev28_rvt-ccs_ss-step2-place_and_route__global_routing.odb:
Step #1: [INFO] Reporting cells prior to loading DEF ...
Step #1: [INFO] Reading DEF ...
Step #1: [INFO] Merging GDS/OAS files...
Step #1: 	external/org_theopenroadproject_asap7sc7p5t_28/GDS/asap7sc7p5t_28_SL_220121a.gds
Step #1: [INFO] Copying toplevel cell 'verilog_adder'
Step #1: [INFO] Checking for missing cell from GDS/OAS...
Step #1: [INFO] All LEF cells have matching GDS/OAS cells
Step #1: [INFO] Writing out GDS/OAS 'bazel-out/k8-fastbuild/bin/tests/verilog_adder-asap7-sc7p5t_rev28_slvt-ccs_ff-step3-gds.gds'
Step #1: INFO: From Action tests/verilog_adder-asap7-sc7p5t_rev28_slvt-ccs_ff-step3-gds.gds:
Step #1: /bin/bash: PYTHON3: command not found