Merge branch 'try-fetch-pandas_ta-message' of git://github.com/freque…

…ntcat/NostalgiaForInfinity into frequentcat-try-fetch-pandas_ta-message

NostalgiaForInfinityNext.py

@@ -16,11 +16,19 @@
 from datetime import datetime, timedelta
 from technical.util import resample_to_interval, resampled_merge
 from technical.indicators import zema, VIDYA, ichimoku
-import pandas_ta as pta
+
 
 log = logging.getLogger(__name__)
 
 
+try:
+    import pandas_ta as pta
+except ImportError:
+    log.error("IMPORTANT - please install the pandas_ta python module which is needed for this strategy. If you're running Docker, add RUN pip install pandas_ta to your Dockerfile, otherwise run: pip install pandas_ta")
+else:
+    log.info("pandas_ta successfully imported")
+
+
 ###########################################################################################################
 ##                NostalgiaForInfinityV8 by iterativ                                                     ##
 ##                                                                                                       ##