code: def generate_blas_pxd(all_sigs):
      body = "\n".join(pxd_decl(*sig) for sig in all_sigs)
      return blas_pxd_preamble + body
  
imports: from collections import defaultdict
  from operator import itemgetter
  import os
label_desc: Use image node_id 10 for calling a global function with example usage: generate_blas_pxd(all_sigs) and returns: unknown