updated dockerfile

python37/Dockerfile

@@ -1,15 +1,16 @@
 FROM conda/miniconda3
 
+RUN conda update -n base -c defaults conda -y
+
 # curl is needed to get credentials when using IAM_ROLE
 RUN apt-get -y update              ; \
     apt-get -y install curl
 
-
 # conda  install package
 RUN conda install -y numpy                   ; \
-    conda install -y aiobotocore=0.10.0      ; \
+    conda install -y aiobotocore             ; \
     conda install -y pytz                    ; \
     conda install -y requests                ; \
-    conda install psutil                     ; \
-    conda install numba                      ; \
-    pip install kubernetes 
+    conda install -y psutil                  ; \
+    conda install -y  numba                  ; \
+    pip install kubernetes