diff --git a/news/six.rst b/news/six.rst
new file mode 100644
index 00000000..9f5136ce
--- /dev/null
+++ b/news/six.rst
@@ -0,0 +1,23 @@
+**Added:**
+
+* <news item>
+
+**Changed:**
+
+* <news item>
+
+**Deprecated:**
+
+* <news item>
+
+**Removed:**
+
+* six dependency in run.txt
+
+**Fixed:**
+
+* <news item>
+
+**Security:**
+
+* <news item>
diff --git a/news/warning.rst b/news/warning.rst
new file mode 100644
index 00000000..06065114
--- /dev/null
+++ b/news/warning.rst
@@ -0,0 +1,23 @@
+**Added:**
+
+* <news item>
+
+**Changed:**
+
+* <news item>
+
+**Deprecated:**
+
+* <news item>
+
+**Removed:**
+
+* <news item>
+
+**Fixed:**
+
+* two warnings with (1) linestyle redundantly defined and (2) no artists with labels found to put in legend
+
+**Security:**
+
+* <news item>
diff --git a/src/diffpy/pdfgui/gui/extendedplotframe.py b/src/diffpy/pdfgui/gui/extendedplotframe.py
index bdc65f23..b9962451 100644
--- a/src/diffpy/pdfgui/gui/extendedplotframe.py
+++ b/src/diffpy/pdfgui/gui/extendedplotframe.py
@@ -182,9 +182,10 @@ def insertCurve(self, xData, yData, style):
         style -- the way curve should be plotted
         return:  internal reference to the newly added curve
         """
-        stylestr, properties = self.__translateStyles(style)
-        curveRef = self.subplot.plot(xData, yData, stylestr, **properties)[0]
-        self.subplot.legend(**legendBoxProperties())
+        _, properties = self.__translateStyles(style)
+        curveRef = self.subplot.plot(xData, yData, **properties)[0]
+        if "legend" in style:
+            self.subplot.legend(**legendBoxProperties())
         try:
             self.datalims[curveRef] = (min(xData), max(xData), min(yData), max(yData))
         except ValueError: