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Warn instead if print when scanpy isn't available

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This commit is contained in:
Charlotte Weaver
2018-08-07 16:57:07 -07:00
parent bf19bb7dce
commit e5c7c0c44a
1 changed files with 3 additions and 2 deletions
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server/app/app.py
+3 -2
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@@ -1,5 +1,6 @@
import argparse
import os
import warnings
from flask import Flask
from flask_caching import Cache
@@ -53,7 +54,7 @@ def run_scanpy(args):
)
from .scanpy_engine.scanpy_engine import ScanpyEngine
data = ScanpyEngine(args.data_directory, schema="data_schema.json",
app.data = ScanpyEngine(args.data_directory, schema="data_schema.json",
graph_method=args.layout, diffexp_method=args.diffexp)
app.run(host="127.0.0.1", debug=True, port=args.port)
@@ -68,7 +69,7 @@ def main():
from .scanpy_engine.scanpy_engine import ScanpyEngine
ScanpyEngine.add_to_parser(subparsers, run_scanpy)
except ImportError:
print("Scanpy engine not available")
warnings.warn("Scanpy engine not available", ImportWarning)
args = parser.parse_args()
args.func(args)