go back to python instead of python3

Author: lhoestq

dvc.yaml

@@ -1,30 +1,30 @@
 stages:
   benchmark_array_xd:
-    cmd: python3 ./benchmarks/benchmark_array_xd.py
+    cmd: python ./benchmarks/benchmark_array_xd.py
     deps:
     - ./benchmarks/benchmark_array_xd.py
     metrics:
     - ./benchmarks/results/benchmark_array_xd.json:
         cache: false
 
   benchmark_indices_mapping:
-    cmd: python3 ./benchmarks/benchmark_indices_mapping.py
+    cmd: python ./benchmarks/benchmark_indices_mapping.py
     deps:
     - ./benchmarks/benchmark_indices_mapping.py
     metrics:
     - ./benchmarks/results/benchmark_indices_mapping.json:
         cache: false
 
   benchmark_map_filter:
-    cmd: python3 ./benchmarks/benchmark_map_filter.py
+    cmd: python ./benchmarks/benchmark_map_filter.py
     deps:
     - ./benchmarks/benchmark_map_filter.py
     metrics:
     - ./benchmarks/results/benchmark_map_filter.json:
         cache: false
 
   benchmark_iterating:
-    cmd: python3 ./benchmarks/benchmark_iterating.py
+    cmd: python ./benchmarks/benchmark_iterating.py
     deps:
     - ./benchmarks/benchmark_iterating.py
     metrics: