fix 1273: freezing aiokafka version to 0.6.0

minor typo at dbmongo

Change-Id: Iaba9dc9e8f0ff50dfad7d223a3c3ee2d71d44a47
Signed-off-by: tierno <alfonso.tiernosepulveda@telefonica.com>
diff --git a/debian/python3-osm-common.postinst b/debian/python3-osm-common.postinst
index 9d91a84..336c445 100755
--- a/debian/python3-osm-common.postinst
+++ b/debian/python3-osm-common.postinst
@@ -20,7 +20,7 @@
 echo "POST INSTALL OSM-COMMON"
 echo "Installing python dependencies via pip..."
 
-pip3 install --upgrade aiokafka
+pip3 install --upgrade aiokafka==0.6.0
 pip3 install --upgrade pymongo
 pip3 install --upgrade pyyaml==5.*
 pip3 install pycrypto   # added dependency python3-crypto seems not working
diff --git a/osm_common/dbmongo.py b/osm_common/dbmongo.py
index b0686aa..3de900b 100644
--- a/osm_common/dbmongo.py
+++ b/osm_common/dbmongo.py
@@ -157,7 +157,7 @@
                 # B or C
             A.cont=B&A.cont=C; A.cont=B,C  >> A: {$in: [B, C]}
             A.ncont=B           >> A: {$nin: B}     # must not contain key A or if present not equal to B or if a list,
-                # it must not not contain B
+                # it must not contain B
             A.ncont=B,C; A.ncont=B&A.ncont=C    >> A: {$nin: [B,C]}     # must not contain key A or if present not equal
                 # neither B nor C; or if a list, it must not contain neither B nor C
             A.ne=B&A.ne=C; A.ne=B,C             >> A: {$nin: [B, C]}
diff --git a/setup.py b/setup.py
index 25e36fd..6742c7a 100644
--- a/setup.py
+++ b/setup.py
@@ -46,7 +46,7 @@
 
     install_requires=[
         'pymongo',
-        'aiokafka',
+        'aiokafka==0.6.0',
         'PyYAML',
         'pycrypto',
     ],