Update CONDA_VERSION

Fixes readthedocs#68

Author: osteele

Dockerfile

@@ -11,7 +11,7 @@ ENV LANG C.UTF-8
 ENV PYTHON_VERSION_27 2.7.14
 ENV PYTHON_VERSION_35 3.5.5
 ENV PYTHON_VERSION_36 3.6.4
-ENV CONDA_VERSION 4.4.10
+ENV CONDA_VERSION 4.5.4
 LABEL python.version_27=$PYTHON_VERSION_27
 LABEL python.version_35=$PYTHON_VERSION_35
 LABEL python.version_36=$PYTHON_VERSION_36
@@ -77,9 +77,9 @@ RUN pyenv install $PYTHON_VERSION_27 && \
     pyenv install $PYTHON_VERSION_36 && \
     pyenv install $PYTHON_VERSION_35 && \
     pyenv global \
-        $PYTHON_VERSION_27 \
-        $PYTHON_VERSION_36 \
-        $PYTHON_VERSION_35
+    $PYTHON_VERSION_27 \
+    $PYTHON_VERSION_36 \
+    $PYTHON_VERSION_35
 
 WORKDIR /tmp