matplotlib.use() must be called before pyplot import

scripts/plot_dataframe.py

@@ -1,11 +1,10 @@
 #!/usr/bin/env python3
 
 import matplotlib  # Install PYQT5 manually if you want to test this helper function
+matplotlib.use("Qt5Agg")
 import matplotlib.pyplot as plt
 from freqtrade import exchange, analyze
 
-matplotlib.use("Qt5Agg")
-
 
 def plot_analyzed_dataframe(pair: str) -> None:
     """