DEPS: remove PY37 in benchmark (pandas-dev#34472)

Author: fangchenli

asv_bench/benchmarks/package.py

@@ -4,22 +4,16 @@
 import subprocess
 import sys
 
-from pandas.compat import PY37
-
 
 class TimeImport:
     def time_import(self):
-        if PY37:
-            # on py37+ we the "-X importtime" usage gives us a more precise
-            #  measurement of the import time we actually care about,
-            #  without the subprocess or interpreter overhead
-            cmd = [sys.executable, "-X", "importtime", "-c", "import pandas as pd"]
-            p = subprocess.run(cmd, stderr=subprocess.PIPE)
-
-            line = p.stderr.splitlines()[-1]
-            field = line.split(b"|")[-2].strip()
-            total = int(field)  # microseconds
-            return total
+        # on py37+ we the "-X importtime" usage gives us a more precise
+        #  measurement of the import time we actually care about,
+        #  without the subprocess or interpreter overhead
+        cmd = [sys.executable, "-X", "importtime", "-c", "import pandas as pd"]
+        p = subprocess.run(cmd, stderr=subprocess.PIPE)
 
-        cmd = [sys.executable, "-c", "import pandas as pd"]
-        subprocess.run(cmd, stderr=subprocess.PIPE)
+        line = p.stderr.splitlines()[-1]
+        field = line.split(b"|")[-2].strip()
+        total = int(field)  # microseconds
+        return total