Python: normalize newlines in python

python/src/main/resources/bootstrap.py

@@ -14,11 +14,12 @@
 # limitations under the License.
 
 # PYTHON 2 / 3 comptability :
-# bootstrap.py must be runnable with Python 2 and 3
+# bootstrap.py must be runnable with Python 2 or 3
 
 # Remove interactive mode displayhook
 import sys
 import signal
+
 try:
     import StringIO as io
 except ImportError:
@@ -26,14 +27,12 @@ except ImportError:
 
 sys.displayhook = lambda x: None
 
-
 def intHandler(signum, frame):  # Set the signal handler
     print ("Paragraph interrupted")
     raise KeyboardInterrupt()
 
 signal.signal(signal.SIGINT, intHandler)
 
-
 def help():
     print ('%html')
     print ('<h2>Python Interpreter help</h2>')
@@ -72,9 +71,7 @@ plt.close()
     print('''<pre>zeppelin_show(plt,width='50px')
 zeppelin_show(plt,height='150px') </pre></div>''')
 
-
 # Matplotlib show function
-
 def zeppelin_show(p, width="0", height="0"):
     img = io.StringIO()
     p.savefig(img, format='svg')
@@ -88,10 +85,8 @@ def zeppelin_show(p, width="0", height="0"):
             style += 'height:'+height
     print("%html <div style='" + style + "'>" + img.read() + "<div>")
 
-
 # If py4j is detected, these class will be override
 # with the implementation in bootstrap_input.py
-
 class PyZeppelinContext():
     errorMsg = "You must install py4j Python module " \
                "(pip install py4j) to use Zeppelin dynamic forms features"

python/src/main/resources/bootstrap_input.py

@@ -13,7 +13,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-
 from py4j.java_gateway import JavaGateway
 from py4j.java_gateway import java_import, JavaGateway, GatewayClient
 
@@ -21,14 +20,16 @@ client = GatewayClient(port=%PORT%)
 gateway = JavaGateway(client)
 java_import(gateway.jvm, "org.apache.zeppelin.display.Input")
 
-
 class PyZeppelinContext():
     paramOption = gateway.jvm.org.apache.zeppelin.display.Input.ParamOption
     javaList = gateway.jvm.java.util.ArrayList
+
     def __init__(self, zc):
         self.z = zc
+
     def input(self, name, defaultValue=""):
         return self.z.getGui().input(name, defaultValue)
+
     def select(self, name, options, defaultValue=""):
         javaOptions = gateway.new_array(self.paramOption, len(options))
         i = 0
@@ -36,6 +37,7 @@ class PyZeppelinContext():
             javaOptions[i] = self.paramOption(tuple[0], tuple[1])
             i += 1
         return self.z.getGui().select(name, defaultValue, javaOptions)
+
     def checkbox(self, name, options, defaultChecked=[]):
         javaOptions = gateway.new_array(self.paramOption, len(options))
         i = 0
@@ -47,5 +49,4 @@ class PyZeppelinContext():
             javaDefaultCheck.append(check)
         return self.z.getGui().checkbox(name, javaDefaultCheck, javaOptions)
 
-
 z = PyZeppelinContext(gateway.entry_point)