use types from typing to be compatible with older python versions

bench/emper.py

@@ -7,7 +7,7 @@ from pathlib import Path
 import os
 import subprocess
 import sys
-from typing import Sequence, Union
+from typing import Dict, List, Sequence, Union
 
 from .client import CLIENT_DIR, CLIENT_EXE
 from .globalvars import ROOT_DIR
@@ -43,8 +43,8 @@ BUF_SEL_CHECKOUT = 'muhq/buffer-selection'
 
 SQPOLL_CHECKOUT = 'muhq/sqpoll'
 
-FlavorDesc = dict[str, Union[list[str], str]]
-Flavors = dict[str, FlavorDesc]
+FlavorDesc = Dict[str, Union[List[str], str]]
+Flavors = Dict[str, FlavorDesc]
 
 FLAVORS: Flavors = {
     'vanilla': {},
@@ -415,7 +415,7 @@ def select_flavors(selectors: Sequence[str]) -> Flavors:
 
 def prepare_flavors(data_dir: Path,
                     selectors: Sequence[str] = None,
-                    fetch=True) -> dict[str, str]:
+                    fetch=True) -> Dict[str, str]:
     """Prepare a emper flavor defined in FLAVORS to be evaluated"""
 
     checkout_and_fetch_repo(fetch=fetch)

parse_results.py

@@ -6,7 +6,7 @@ import csv
 import fnmatch
 import io
 from pathlib import Path
-from typing import Iterable, Mapping, Optional, Sequence, Union
+from typing import Dict, Iterable, List, Mapping, Optional, Sequence, Union
 
 import numpy as np
 
@@ -19,10 +19,10 @@ def to_number(string: str) -> Number:
     return f if '.' in string else int(f)
 
 
-DataPoint = Union[list[Number], Number]
-ExperimentData = dict[str, DataPoint]
-ImplData = dict[int, list[ExperimentData]]
-EvaluationResults = dict[str, ImplData]
+DataPoint = Union[List[Number], Number]
+ExperimentData = Dict[str, DataPoint]
+ImplData = Dict[int, List[ExperimentData]]
+EvaluationResults = Dict[str, ImplData]
 
 
 def collect_results(result_dir: Union[Path, str],
@@ -114,10 +114,10 @@ def collect_results(result_dir: Union[Path, str],
     return data
 
 
-Stats = dict[str, float]
-ConnectionStats = dict[str, Stats]
-ImplStats = dict[int, ConnectionStats]
-EvaluationStats = dict[str, ImplStats]
+Stats = Dict[str, float]
+ConnectionStats = Dict[str, Stats]
+ImplStats = Dict[int, ConnectionStats]
+EvaluationStats = Dict[str, ImplStats]
 
 
 def calculate_stats(data: EvaluationResults, warn=False) -> EvaluationStats: