diff --git a/.travis.yml b/.travis.yml
index 569bf12d6..745761bc1 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,4 +1,7 @@
 language: python
+arch: 
+    - amd64
+    - ppc64le
 python:
 - '3.6'
 env:
@@ -29,7 +32,28 @@ jobs:
     - env: TOXENV=py36 ES_VERSION=6.2.4
     - env: TOXENV=py36 ES_VERSION=6.0.1
     - env: TOXENV=py36 ES_VERSION=5.6.16
-
+    # adding code to run on powersystems
+    - stage: 'Elasticsearch test'
+      env: TOXENV=py36 ES_VERSION=7.0.0-linux-x86_64
+      arch: ppc64le
+    - env: TOXENV=py36 ES_VERSION=6.6.2
+      arch: ppc64le
+    - env: TOXENV=py36 ES_VERSION=6.3.2
+      arch: ppc64le
+    - env: TOXENV=py36 ES_VERSION=6.2.4
+      arch: ppc64le
+    - env: TOXENV=py36 ES_VERSION=6.0.1
+      arch: ppc64le
+    - env: TOXENV=py36 ES_VERSION=5.6.16
+      arch: ppc64le
+jobs:
+  exclude:
+    - env: TOXENV=py36 ES_VERSION=7.0.0-linux-x86_64
+      arch: ppc64le
+    - env: TOXENV=py36 ES_VERSION=6.6.2
+      arch: ppc64le
+    - env: TOXENV=py36 ES_VERSION=6.3.2
+      arch: ppc64le
 deploy:
   provider: pypi
   user: yelplabs
diff --git a/docs/source/ruletypes.rst b/docs/source/ruletypes.rst
index a947a77b7..ff3763712 100644
--- a/docs/source/ruletypes.rst
+++ b/docs/source/ruletypes.rst
@@ -1931,7 +1931,7 @@ Developers in India can use Exotel alerter, it will trigger an incident to a mob
 
 The alerter requires the following option:
 
-``exotel_accout_sid``: This is sid of your Exotel account.
+``exotel_account_sid``: This is sid of your Exotel account.
 
 ``exotel_auth_token``: Auth token assosiated with your Exotel account.
 
diff --git a/elastalert/elastalert.py b/elastalert/elastalert.py
index 24b10ced9..b078c86db 100755
--- a/elastalert/elastalert.py
+++ b/elastalert/elastalert.py
@@ -652,7 +652,8 @@ def run_query(self, rule, start=None, end=None, scroll=False):
 
         try:
             if rule.get('scroll_id') and self.thread_data.num_hits < self.thread_data.total_hits and should_scrolling_continue(rule):
-                self.run_query(rule, start, end, scroll=True)
+                if not self.run_query(rule, start, end, scroll=True):
+                    return False
         except RuntimeError:
             # It's possible to scroll far enough to hit max recursive depth
             pass
@@ -894,7 +895,8 @@ def run_rule(self, rule, endtime, starttime=None):
 
         if rule.get('aggregation_query_element'):
             if endtime - tmp_endtime == segment_size:
-                self.run_query(rule, tmp_endtime, endtime)
+                if not self.run_query(rule, tmp_endtime, endtime):
+                    return 0
                 self.thread_data.cumulative_hits += self.thread_data.num_hits
             elif total_seconds(rule['original_starttime'] - tmp_endtime) == 0:
                 rule['starttime'] = rule['original_starttime']
diff --git a/elastalert/schema.yaml b/elastalert/schema.yaml
index cc5d52395..1241315dc 100644
--- a/elastalert/schema.yaml
+++ b/elastalert/schema.yaml
@@ -286,9 +286,9 @@ properties:
   slack_text_string: {type: string}
   slack_ignore_ssl_errors: {type: boolean}
   slack_ca_certs: {type: string}
-  slack_attach_kibana_discover_url {type: boolean}
-  slack_kibana_discover_color {type: string}
-  slack_kibana_discover_title {type: string}
+  slack_attach_kibana_discover_url: {type: boolean}
+  slack_kibana_discover_color: {type: string}
+  slack_kibana_discover_title: {type: string}
 
   ### Mattermost
   mattermost_webhook_url: *arrayOfString
diff --git a/requirements.txt b/requirements.txt
index c66ca8d79..9c32052d0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,7 +15,6 @@ prison>=0.1.2
 py-zabbix==1.1.3
 PyStaticConfiguration>=0.10.3
 python-dateutil>=2.6.0,<2.7.0
-python-magic>=0.4.15
 PyYAML>=5.1
 requests>=2.0.0
 stomp.py>=4.1.17
diff --git a/setup.py b/setup.py
index 30ef9495f..2845836a7 100644
--- a/setup.py
+++ b/setup.py
@@ -47,7 +47,6 @@
         'stomp.py>=4.1.17',
         'texttable>=0.8.8',
         'twilio>=6.0.0,<6.1',
-        'python-magic>=0.4.15',
         'cffi>=1.11.5'
     ]
 )