BLD Show which version of Python 3 is being used

Author: unode

wercker.yml

@@ -7,6 +7,7 @@ py3:
         - script:
             name: Run tests
             code: |
+                python3 --version
                 cd tests
                 ./run_all -v
 
@@ -20,6 +21,7 @@ debian-stable:
         - script:
             name: Run tests
             code: |
+                python3 --version
                 cd tests
                 ./run_all -v
 
@@ -32,6 +34,7 @@ debian-testing:
         - script:
             name: Run tests
             code: |
+                python3 --version
                 cd tests
                 ./run_all -v
 
@@ -44,6 +47,7 @@ debian-unstable:
         - script:
             name: Run tests
             code: |
+                python3 --version
                 cd tests
                 ./run_all -v
 
@@ -57,6 +61,7 @@ fedora:
         - script:
             name: Run tests
             code: |
+                python3 --version
                 cd tests
                 ./run_all -v
 
@@ -70,6 +75,7 @@ centos:
         - script:
             name: Run tests
             code: |
+                python3 --version
                 cd tests
                 ./run_all -v
 
@@ -90,5 +96,6 @@ alpine:
         - script:
             name: Run tests
             code: |
+                python3 --version
                 cd tests
                 ./run_all -v