code: def escape_vals(vals, escape_numerics=True):
      
      # Ints formatted as floats to disambiguate with counter mode
      ints, floats = "%.1f", "%.10f"
  
      escaped = []
      for v in vals:
          if isinstance(v, np.timedelta64):
              v = "'"+str(v)+"'"
          elif isinstance(v, np.datetime64):
              v = "'"+str(v.astype('datetime64[ns]'))+"'"
          elif not isnumeric(v):
              v = "'"+unicode(bytes_to_unicode(v))+"'"
          else:
              if v % 1 == 0:
                  v = ints % v
              else:
                  v = (floats % v)[:-1]
              if escape_numerics:
                  v = "'"+v+"'"
          escaped.append(v)
      return escaped
docs: Escapes a list of values to a string, converting to
      unicode for safety.