Don't forget eventlet (for socketio production).

Pipfile

@@ -18,6 +18,7 @@ python-dotenv = "*"
 requests = "*"
 sqlalchemy-rqlite = {git = "https://github.com/rqlite/sqlalchemy-rqlite.git"}
 wand = "*"
+eventlet = "*"
 
 [dev-packages]
 

Pipfile.lock

@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "b2fffd1e56f0ab31bb0af489fc64a77fb6d8d73a7e5addc0c4649499598555f4"
+            "sha256": "1c858ceb93bf921bfd42c2790bf7fd7a6a014d33818165f9f60dc4a36d1ba49c"
         },
         "pipfile-spec": 6,
         "requires": {},
@@ -112,6 +112,21 @@
             ],
             "version": "==0.5.0"
         },
+        "dnspython": {
+            "hashes": [
+                "sha256:40f563e1f7a7b80dc5a4e76ad75c23da53d62f1e15e6e517293b04e1f84ead7c",
+                "sha256:861e6e58faa730f9845aaaa9c6c832851fbf89382ac52915a51f89c71accdd31"
+            ],
+            "version": "==1.15.0"
+        },
+        "eventlet": {
+            "hashes": [
+                "sha256:c584163e006e613707e224552fafc63e4e0aa31d7de0ab18b481ac0b385254c8",
+                "sha256:d9d31a3c8dbcedbcce5859a919956d934685b17323fc80e1077cb344a2ffa68d"
+            ],
+            "index": "pypi",
+            "version": "==0.24.1"
+        },
         "flask": {
             "hashes": [
                 "sha256:2271c0070dbcb5275fad4a82e29f23ab92682dc45f9dfbc22c02ba9b9322ce48",
@@ -151,6 +166,30 @@
             "index": "pypi",
             "version": "==0.14.2"
         },
+        "greenlet": {
+            "hashes": [
+                "sha256:000546ad01e6389e98626c1367be58efa613fa82a1be98b0c6fc24b563acc6d0",
+                "sha256:0d48200bc50cbf498716712129eef819b1729339e34c3ae71656964dac907c28",
+                "sha256:23d12eacffa9d0f290c0fe0c4e81ba6d5f3a5b7ac3c30a5eaf0126bf4deda5c8",
+                "sha256:37c9ba82bd82eb6a23c2e5acc03055c0e45697253b2393c9a50cef76a3985304",
+                "sha256:51503524dd6f152ab4ad1fbd168fc6c30b5795e8c70be4410a64940b3abb55c0",
+                "sha256:8041e2de00e745c0e05a502d6e6db310db7faa7c979b3a5877123548a4c0b214",
+                "sha256:81fcd96a275209ef117e9ec91f75c731fa18dcfd9ffaa1c0adbdaa3616a86043",
+                "sha256:853da4f9563d982e4121fed8c92eea1a4594a2299037b3034c3c898cb8e933d6",
+                "sha256:8b4572c334593d449113f9dc8d19b93b7b271bdbe90ba7509eb178923327b625",
+                "sha256:9416443e219356e3c31f1f918a91badf2e37acf297e2fa13d24d1cc2380f8fbc",
+                "sha256:9854f612e1b59ec66804931df5add3b2d5ef0067748ea29dc60f0efdcda9a638",
+                "sha256:99a26afdb82ea83a265137a398f570402aa1f2b5dfb4ac3300c026931817b163",
+                "sha256:a19bf883b3384957e4a4a13e6bd1ae3d85ae87f4beb5957e35b0be287f12f4e4",
+                "sha256:a9f145660588187ff835c55a7d2ddf6abfc570c2651c276d3d4be8a2766db490",
+                "sha256:ac57fcdcfb0b73bb3203b58a14501abb7e5ff9ea5e2edfa06bb03035f0cff248",
+                "sha256:bcb530089ff24f6458a81ac3fa699e8c00194208a724b644ecc68422e1111939",
+                "sha256:beeabe25c3b704f7d56b573f7d2ff88fc99f0138e43480cecdfcaa3b87fe4f87",
+                "sha256:d634a7ea1fc3380ff96f9e44d8d22f38418c1c381d5fac680b272d7d90883720",
+                "sha256:d97b0661e1aead761f0ded3b769044bb00ed5d33e1ec865e891a8b128bf7c656"
+            ],
+            "version": "==0.4.15"
+        },
         "gunicorn": {
             "hashes": [
                 "sha256:aa8e0b40b4157b36a5df5e599f45c9c76d6af43845ba3b3b0efe2c70473c2471",
@@ -228,6 +267,13 @@
             "index": "pypi",
             "version": "==2.16.3"
         },
+        "monotonic": {
+            "hashes": [
+                "sha256:23953d55076df038541e648a53676fb24980f7a1be290cdda21300b3bc21dfb0",
+                "sha256:552a91f381532e33cbd07c6a2655a21908088962bb8fa7239ecbcc6ad1140cc7"
+            ],
+            "version": "==1.5"
+        },
         "pillow": {
             "hashes": [
                 "sha256:00203f406818c3f45d47bb8fe7e67d3feddb8dcbbd45a289a1de7dd789226360",