better sleep in between failed api retries

elm/base.py

@@ -3,6 +3,7 @@
 ELM abstract class for API calls
 """
 from abc import ABC
+import copy
 import numpy as np
 import asyncio
 import aiohttp
@@ -401,6 +402,7 @@ def __init__(self, url, headers, request_jsons, ignore_error=None,
         self.out = [None] * len(self)
         self.errors = [None] * len(self)
         self.tries = np.zeros(len(self))
+        self._retry = False
 
     def __len__(self):
         """Number of API calls to submit"""
@@ -462,7 +464,7 @@ async def collect_jobs(self):
                     else:
                         del self.api_jobs[i]
                         msg += ' Retrying query.'
-
+                        self._retry = True
                     logger.error(msg)
 
                 else:
@@ -490,8 +492,10 @@ async def run(self):
         self.out = [None] * len(self)
         self.errors = [None] * len(self)
         self.tries = np.zeros(len(self))
+        self._retry = False
 
         while any(self.todo):
+            self._retry = False
             self.submit_jobs()
             await self.collect_jobs()
 
@@ -501,7 +505,7 @@ async def run(self):
                        'details on error response')
                 logger.error(msg)
                 raise RuntimeError(msg)
-            elif any(self.todo):
+            elif self._retry:
                 time.sleep(60)
 
         return self.out