[nomerge] state of the art debugging

Author: irgolic

pandas/core/internals/construction.py

@@ -358,12 +358,16 @@ def ndarray_to_mgr(
                 not is_dtype_equal(instance.dtype, values.dtype)
                 for instance in dtlike_vals
             ):
+                import sys
+                print('hit1', file=sys.stderr)
                 dvals_list = [ensure_block_shape(dval, 2) for dval in dtlike_vals]
                 block_values = [
                     new_block(dvals_list[n], placement=n, ndim=2)
                     for n in range(len(dvals_list))
                 ]
             else:
+                import sys
+                print('hit2', file=sys.stderr)
                 nb = new_block(values, placement=slice(len(columns)), ndim=2)
                 block_values = [nb]
         else: