fix case format

tests/system-test/2-query/bottom.py

@@ -24,18 +24,18 @@ class TDTestCase:
 
         self.rowNum = 10
         self.ts = 1537146000000
-        
+
     def run(self):
-        tdSql.prepare()    
+        tdSql.prepare()
 
-        tdSql.execute('''create table test(ts timestamp, col1 tinyint, col2 smallint, col3 int, col4 bigint, col5 float, col6 double, 
+        tdSql.execute('''create table test(ts timestamp, col1 tinyint, col2 smallint, col3 int, col4 bigint, col5 float, col6 double,
                     col7 bool, col8 binary(20), col9 nchar(20), col11 tinyint unsigned, col12 smallint unsigned, col13 int unsigned, col14 bigint unsigned) tags(loc nchar(20))''')
         tdSql.execute("create table test1 using test tags('beijing')")
         for i in range(self.rowNum):
-            tdSql.execute("insert into test1 values(%d, %d, %d, %d, %d, %f, %f, %d, 'taosdata%d', '涛思数据%d', %d, %d, %d, %d)" 
-                        % (self.ts + i, i + 1, i + 1, i + 1, i + 1, i + 0.1, i + 0.1, i % 2, i + 1, i + 1, i + 1, i + 1, i + 1, i + 1))                            
+            tdSql.execute("insert into test1 values(%d, %d, %d, %d, %d, %f, %f, %d, 'taosdata%d', '涛思数据%d', %d, %d, %d, %d)"
+                        % (self.ts + i, i + 1, i + 1, i + 1, i + 1, i + 0.1, i + 0.1, i % 2, i + 1, i + 1, i + 1, i + 1, i + 1, i + 1))
 
-        # bottom verifacation 
+        # bottom verifacation
         tdSql.error("select bottom(ts, 10) from test")
         tdSql.error("select bottom(col1, 0) from test")
         tdSql.error("select bottom(col1, 101) from test")
@@ -48,8 +48,8 @@ class TDTestCase:
         tdSql.error("select bottom(col5, 0) from test")
         tdSql.error("select bottom(col5, 101) from test")
         tdSql.error("select bottom(col6, 0) from test")
-        tdSql.error("select bottom(col6, 101) from test")        
-        tdSql.error("select bottom(col7, 10) from test")        
+        tdSql.error("select bottom(col6, 101) from test")
+        tdSql.error("select bottom(col7, 10) from test")
         tdSql.error("select bottom(col8, 10) from test")
         tdSql.error("select bottom(col9, 10) from test")
 
@@ -90,7 +90,7 @@ class TDTestCase:
         tdSql.checkRows(2)
         tdSql.query("select ts,bottom(col1, 2),ts from test group by tbname")
         tdSql.checkRows(2)
-        
+
         tdSql.query('select bottom(col2,1) from test interval(1y) order by col2')
         tdSql.checkData(0,0,1)