Add urllib3 module for scrapers error reporting

Pipfile

@@ -29,6 +29,7 @@ scrapyd-client = "*"
 pycountry = "*"
 langid = "*"
 langdetect = "*"
+"urllib3" = "*"
 
 [requires]
 python_version = "3.5"

Pipfile.lock

 {
     "_meta": {
         "hash": {
-            "sha256": "93ecedebddb075cbd51f77edbe16c8457910d19320101f2a90165b15993637fe"
+            "sha256": "73b06a07e10aca15a8539ac015039c976f6bbfdbe803cb7a6af9ed73234443f6"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -521,6 +521,14 @@
             ],
             "version": "==17.9.0"
         },
+        "urllib3": {
+            "hashes": [
+                "sha256:06330f386d6e4b195fbfc736b297f58c5a892e4440e54d294d7004e3a9bbea1b",
+                "sha256:cc44da8e1145637334317feebd728bd869a35285b93cbb4cca2577da7e62db4f"
+            ],
+            "index": "pypi",
+            "version": "==1.22"
+        },
         "vine": {
             "hashes": [
                 "sha256:52116d59bc45392af9fdd3b75ed98ae48a93e822cee21e5fda249105c59a7a72",